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Home Return to list Gale Warning 0020 Issued by the Green Bay Forecast Office
Action: New Issued At: 2025-12-17 16:08:23 062 WHUS73 KGRB 172207 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 407 PM CST Wed Dec 17 2025 LMZ521-522-541>543-180615- /O.CON.KGRB.SC.Y.0099.251218T0300Z-251219T0000Z/ /O.UPG.KGRB.GL.A.0007.251219T0000Z-251219T1200Z/ /O.NEW.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 407 PM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 6 PM THURSDAY TO 9 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kts with gusts up to 30 kts, and waves 3 to 6 ft on the bay and 8 to 12 ft on Lake Michigan. For the Gale Warning, west to northwest winds 20 to 25 kts with gusts over 35 kts and waves 3 to 7 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...For the Small Craft Advisory, from 9 PM this evening to 6 PM CST Thursday. For the Gale Warning, from 6 PM Thursday to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray will also be possible Thursday night into Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Kieckbusch Action: Continued Issued At: 2025-12-17 20:52:00 844 WHUS73 KGRB 180251 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 851 PM CST Wed Dec 17 2025 LMZ521-522-541>543-181100- /O.CON.KGRB.SC.Y.0099.251218T0300Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 851 PM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THURSDAY TO 9 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kts with gusts up to 30 kts, and waves 3 to 6 ft on the bay and 8 to 12 ft on Lake Michigan. For the Gale Warning, west to northwest winds 20 to 25 kts with gusts over 35 kts and waves 3 to 7 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...For the Small Craft Advisory, until 6 PM CST Thursday. For the Gale Warning, from 6 PM Thursday to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray will also be possible Thursday night into Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-18 02:30:07 919 WHUS73 KGRB 180829 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 229 AM CST Thu Dec 18 2025 LMZ541>543-181630- /O.CAN.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.EXT.KGRB.GL.W.0020.251218T0829Z-251219T1500Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 229 AM CST Thu Dec 18 2025 ...GALE WARNING NOW IN EFFECT UNTIL 9 AM CST FRIDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ521-522-181630- /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 229 AM CST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and waves 1 to 4 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Small Craft Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Kurimski Action: Continued Issued At: 2025-12-18 02:30:07 919 WHUS73 KGRB 180829 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 229 AM CST Thu Dec 18 2025 LMZ541>543-181630- /O.CAN.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.EXT.KGRB.GL.W.0020.251218T0829Z-251219T1500Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 229 AM CST Thu Dec 18 2025 ...GALE WARNING NOW IN EFFECT UNTIL 9 AM CST FRIDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ521-522-181630- /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 229 AM CST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and waves 1 to 4 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Small Craft Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Kurimski Action: Continued Issued At: 2025-12-18 10:30:16 463 WHUS73 KGRB 181629 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1029 AM CST Thu Dec 18 2025 LMZ521-522-190030- /O.NEW.KGRB.MF.Y.0011.251218T1629Z-251219T0000Z/ /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1029 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kts with gusts up to 25 kts and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kts with gusts over 35 kts and waves 3 to 6 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ541>543-190030- /O.NEW.KGRB.MF.Y.0011.251218T1629Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1500Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1029 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, south winds 15 to 25 kts with gusts to 30 kts, becoming west to northwest 20 to 30 kts with gusts over 35 kts tonight. Waves 7 to 11 ft, lowering to 4 to 7 ft tonight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, until 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray possible tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ Kieckbusch Action: Continued Issued At: 2025-12-18 10:30:16 463 WHUS73 KGRB 181629 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1029 AM CST Thu Dec 18 2025 LMZ521-522-190030- /O.NEW.KGRB.MF.Y.0011.251218T1629Z-251219T0000Z/ /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.251219T0000Z-251219T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1029 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kts with gusts up to 25 kts and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kts with gusts over 35 kts and waves 3 to 6 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ541>543-190030- /O.NEW.KGRB.MF.Y.0011.251218T1629Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1500Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1029 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, south winds 15 to 25 kts with gusts to 30 kts, becoming west to northwest 20 to 30 kts with gusts over 35 kts tonight. Waves 7 to 11 ft, lowering to 4 to 7 ft tonight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, until 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray possible tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ Kieckbusch Action: Time Extended Issued At: 2025-12-18 14:21:21 918 WHUS73 KGRB 182020 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 220 PM CST Thu Dec 18 2025 LMZ521-522-190430- /O.CON.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.EXT.KGRB.GL.W.0020.251219T0000Z-251219T1800Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 220 PM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO NOON CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, southwest winds 15 to 20 kts with gusts up to 25 kts and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kts with gusts over 35 kts and waves 3 to 6 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ541>543-190430- /O.EXT.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ /O.CON.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 220 PM CST Thu Dec 18 2025 ...GALE WARNING NOW IN EFFECT UNTIL NOON CST FRIDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, southwest winds 15 to 25 kts with gusts to 30 kts, becoming west to northwest 20 to 30 kts with gusts over 35 kts tonight. Waves 7 to 11 ft, lowering to 4 to 7 ft tonight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...For the Gale Warning, until noon CST Friday. For the Dense Fog Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray possible near near Deaths Door and toward open waters tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ Kieckbusch Action: Time Extended Issued At: 2025-12-18 14:21:21 918 WHUS73 KGRB 182020 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 220 PM CST Thu Dec 18 2025 LMZ521-522-190430- /O.CON.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.CON.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.EXT.KGRB.GL.W.0020.251219T0000Z-251219T1800Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 220 PM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO NOON CST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, southwest winds 15 to 20 kts with gusts up to 25 kts and waves 2 to 5 ft. For the Gale Warning, west winds 20 to 30 kts with gusts over 35 kts and waves 3 to 6 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ541>543-190430- /O.EXT.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ /O.CON.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 220 PM CST Thu Dec 18 2025 ...GALE WARNING NOW IN EFFECT UNTIL NOON CST FRIDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, southwest winds 15 to 25 kts with gusts to 30 kts, becoming west to northwest 20 to 30 kts with gusts over 35 kts tonight. Waves 7 to 11 ft, lowering to 4 to 7 ft tonight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...For the Gale Warning, until noon CST Friday. For the Dense Fog Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Freezing spray possible near near Deaths Door and toward open waters tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ Kieckbusch Action: Continued Issued At: 2025-12-18 18:03:27 377 WHUS73 KGRB 190003 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 603 PM CST Thu Dec 18 2025 LMZ521-522-190815- /O.EXP.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.EXP.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 603 PM CST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...West winds 15 to 25 kts with gusts up to 35 kts and waves 2 to 5 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...Until noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ541>543-190815- /O.EXP.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 603 PM CST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...West winds 15 to 25 kts with gusts up to 35 kts and waves 5 to 8 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ mpc Action: Continued Issued At: 2025-12-18 18:03:27 377 WHUS73 KGRB 190003 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 603 PM CST Thu Dec 18 2025 LMZ521-522-190815- /O.EXP.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.EXP.KGRB.SC.Y.0099.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 603 PM CST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...West winds 15 to 25 kts with gusts up to 35 kts and waves 2 to 5 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...Until noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ541>543-190815- /O.EXP.KGRB.MF.Y.0011.000000T0000Z-251219T0000Z/ /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 603 PM CST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...West winds 15 to 25 kts with gusts up to 35 kts and waves 5 to 8 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ mpc Action: Continued Issued At: 2025-12-18 21:24:02 586 WHUS73 KGRB 190323 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 923 PM CST Thu Dec 18 2025 LMZ521-522-541>543-191130- /O.CON.KGRB.GL.W.0020.000000T0000Z-251219T1800Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 923 PM CST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...West winds 15 to 25 kts with gusts up to 35 kts and waves 2 to 5 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...Until noon CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Freezing spray is possible near Deaths Door tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ mpc Action: Time Extended Issued At: 2025-12-19 02:59:50 610 WHUS73 KGRB 190859 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 259 AM CST Fri Dec 19 2025 LMZ521-522-541>543-191700- /O.EXT.KGRB.GL.W.0020.000000T0000Z-251219T1500Z/ /O.NEW.KGRB.SC.Y.0100.251219T1500Z-251219T2000Z/ /O.NEW.KGRB.GL.A.0008.251220T2100Z-251221T0600Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 259 AM CST Fri Dec 19 2025 ...GALE WARNING NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 2 PM CST THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...For the Gale Warning, northwest winds 20 to 25 kt with gusts up to 35 kt and waves 2 to 5 ft. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Watch, west winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 5 ft possible. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...For the Gale Warning, until 9 AM CST this morning. For the Small Craft Advisory, from 9 AM this morning to 2 PM CST this afternoon. For the Gale Watch, from Saturday afternoon through Saturday evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||