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Home Return to list Small Craft Advisory 0216 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2025-12-18 04:14:35 521 WHUS76 KMTR 181014 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 214 AM PST Thu Dec 18 2025 PZZ570-181815- /O.NEW.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 214 AM PST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM PST FRIDAY... * WHAT...Southwest winds 15 to 25 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ535-181815- /O.EXT.KMTR.MF.Y.0017.000000T0000Z-251218T1900Z/ Monterey Bay- 214 AM PST Thu Dec 18 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Monterey Bay. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-18 10:45:46 839 WHUS76 KMTR 181645 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 845 AM PST Thu Dec 18 2025 PZZ535-181900- /O.CON.KMTR.MF.Y.0017.000000T0000Z-251218T1900Z/ Monterey Bay- 845 AM PST Thu Dec 18 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Monterey Bay. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ PZZ570-190045- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 845 AM PST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST FRIDAY... * WHAT...Southwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-18 12:33:18 158 WHUS76 KMTR 181833 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 1033 AM PST Thu Dec 18 2025 PZZ535-181945- /O.EXP.KMTR.MF.Y.0017.000000T0000Z-251218T1900Z/ Monterey Bay- 1033 AM PST Thu Dec 18 2025 ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM PST THIS MORNING... Visibility has improved across the bay. Therefore, the Dense Fog Advisory will be allowed to expire. $$ PZZ570-190245- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 1033 AM PST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST FRIDAY... * WHAT...Southwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-18 16:50:25 274 WHUS76 KMTR 182250 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 250 PM PST Thu Dec 18 2025 PZZ570-190700- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 250 PM PST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST FRIDAY... * WHAT...Southwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-18 22:08:46 541 WHUS76 KMTR 190408 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 808 PM PST Thu Dec 18 2025 PZZ570-191215- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 808 PM PST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST FRIDAY... * WHAT...Southwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Area Extended Issued At: 2025-12-19 04:10:34 841 WHUS76 KMTR 191010 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 210 AM PST Fri Dec 19 2025 PZZ540-191815- /O.EXA.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 210 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ570-191815- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 210 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 15 to 20 kt with gusts to 25 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-19 04:10:34 841 WHUS76 KMTR 191010 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 210 AM PST Fri Dec 19 2025 PZZ540-191815- /O.EXA.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 210 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ570-191815- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 210 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 15 to 20 kt with gusts to 25 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-19 10:54:18 069 WHUS76 KMTR 191653 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 853 AM PST Fri Dec 19 2025 PZZ570-192300- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 853 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 15 to 20 kt with gusts to 25 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ540-192300- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 853 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Continued Issued At: 2025-12-19 10:54:18 069 WHUS76 KMTR 191653 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 853 AM PST Fri Dec 19 2025 PZZ570-192300- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 853 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 15 to 20 kt with gusts to 25 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ540-192300- /O.CON.KMTR.SC.Y.0216.251219T1700Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 853 AM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...From 9 AM this morning to 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Expired Issued At: 2025-12-19 16:35:57 452 WHUS76 KMTR 192235 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 235 PM PST Fri Dec 19 2025 PZZ570-192345- /O.EXP.KMTR.SC.Y.0216.000000T0000Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 235 PM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON... Light southerly wind and seas with periods of rain are forecast this evening. $$ PZZ540-192345- /O.EXP.KMTR.SC.Y.0216.000000T0000Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 235 PM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON... Light southerly wind and seas with periods of rain are forecast this evening. $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco Action: Expired Issued At: 2025-12-19 16:35:57 452 WHUS76 KMTR 192235 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 235 PM PST Fri Dec 19 2025 PZZ570-192345- /O.EXP.KMTR.SC.Y.0216.000000T0000Z-251219T2300Z/ Waters from Point Arena to Point Reyes 10-60 NM- 235 PM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON... Light southerly wind and seas with periods of rain are forecast this evening. $$ PZZ540-192345- /O.EXP.KMTR.SC.Y.0216.000000T0000Z-251219T2300Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 235 PM PST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON... Light southerly wind and seas with periods of rain are forecast this evening. $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||