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Small Craft Advisory 0092
Issued by the Duluth Forecast Office

Action Issued Starts Expiration
New 2026-08-05 16:22:26 2026-08-06 10:00:00 2026-08-07 16:00:00
New 2026-08-05 16:22:26 2026-08-06 10:00:00 2026-08-06 22:00:00
Continued 2026-08-06 02:51:19 2026-08-06 10:00:00 2026-08-07 16:00:00
Continued 2026-08-06 02:51:19 2026-08-06 10:00:00 2026-08-06 22:00:00
Continued 2026-08-06 10:20:50 2026-08-07 16:00:00
Continued 2026-08-06 10:20:50 2026-08-06 22:00:00
Continued 2026-08-06 15:08:01 2026-08-06 22:00:00
Continued 2026-08-06 15:08:01 2026-08-07 16:00:00
Continued 2026-08-06 22:09:16 2026-08-07 16:00:00
Expired 2026-08-06 22:09:16 2026-08-06 22:00:00
Time Extended 2026-08-07 03:01:53 2026-08-07 07:00:00
Expired 2026-08-07 07:19:40 2026-08-07 07:00:00


Action: New
Issued At: 2026-08-05 16:22:26

138 
WHUS73 KDLH 052122
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
422 PM CDT Wed Aug 5 2026

LSZ140-061500-
/O.NEW.KDLH.SC.Y.0092.260806T1500Z-260807T2100Z/
Grand Portage to Grand Marais MN-
422 PM CDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 4 PM CDT
FRIDAY...

* WHAT...Southwest winds 10 to 15 knots gusting to 30 knots. Waves
  2 to 4 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...From 10 AM Thursday to 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-061500-
/O.NEW.KDLH.SC.Y.0092.260806T1500Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
422 PM CDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 10 PM CDT
THURSDAY...

* WHAT...Southwest winds 10 to 15 knots gusting to 25 knots. Waves
  1 to 3 ft expected.

* WHERE...Grand Marais MN to the Twin Ports to Sand Island WI 

* WHEN...From 10 AM to 10 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: New
Issued At: 2026-08-05 16:22:26

138 
WHUS73 KDLH 052122
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
422 PM CDT Wed Aug 5 2026

LSZ140-061500-
/O.NEW.KDLH.SC.Y.0092.260806T1500Z-260807T2100Z/
Grand Portage to Grand Marais MN-
422 PM CDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 4 PM CDT
FRIDAY...

* WHAT...Southwest winds 10 to 15 knots gusting to 30 knots. Waves
  2 to 4 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...From 10 AM Thursday to 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-061500-
/O.NEW.KDLH.SC.Y.0092.260806T1500Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
422 PM CDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 10 PM CDT
THURSDAY...

* WHAT...Southwest winds 10 to 15 knots gusting to 25 knots. Waves
  1 to 3 ft expected.

* WHERE...Grand Marais MN to the Twin Ports to Sand Island WI 

* WHEN...From 10 AM to 10 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 02:51:19

445 
WHUS73 KDLH 060750
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
250 AM CDT Thu Aug 6 2026

LSZ140-062000-
/O.CON.KDLH.SC.Y.0092.260806T1500Z-260807T2100Z/
Grand Portage to Grand Marais MN-
250 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 PM CDT FRIDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...From 10 AM this morning to 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-062000-
/O.CON.KDLH.SC.Y.0092.260806T1500Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
250 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 PM CDT THIS EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...From 10 AM this morning to 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 02:51:19

445 
WHUS73 KDLH 060750
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
250 AM CDT Thu Aug 6 2026

LSZ140-062000-
/O.CON.KDLH.SC.Y.0092.260806T1500Z-260807T2100Z/
Grand Portage to Grand Marais MN-
250 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 PM CDT FRIDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...From 10 AM this morning to 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-062000-
/O.CON.KDLH.SC.Y.0092.260806T1500Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
250 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 PM CDT THIS EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...From 10 AM this morning to 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 10:20:50

000 
WHUS73 KDLH 061520
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1020 AM CDT Thu Aug 6 2026

LSZ140-070330-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
1020 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-070300-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
1020 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 10:20:50

000 
WHUS73 KDLH 061520
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1020 AM CDT Thu Aug 6 2026

LSZ140-070330-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
1020 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-070300-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
1020 AM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 15:08:01

506 
WHUS73 KDLH 062007
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
307 PM CDT Thu Aug 6 2026

LSZ140-070815-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
307 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Southwest winds 5 to 15 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-070300-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
307 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 15:08:01

506 
WHUS73 KDLH 062007
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
307 PM CDT Thu Aug 6 2026

LSZ140-070815-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
307 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Southwest winds 5 to 15 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141>146-070300-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
307 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft expected.

* WHERE...Portions of Lake Superior. 

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-08-06 22:09:16

043 
WHUS73 KDLH 070309
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1009 PM CDT Thu Aug 6 2026

LSZ141>146-070415-
/O.EXP.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
1009 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have weakened.

$$

LSZ140-071515-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
1009 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Expired
Issued At: 2026-08-06 22:09:16

043 
WHUS73 KDLH 070309
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1009 PM CDT Thu Aug 6 2026

LSZ141>146-070415-
/O.EXP.KDLH.SC.Y.0092.000000T0000Z-260807T0300Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
1009 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have weakened.

$$

LSZ140-071515-
/O.CON.KDLH.SC.Y.0092.000000T0000Z-260807T2100Z/
Grand Portage to Grand Marais MN-
1009 PM CDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT FRIDAY...

* WHAT...Waves 1 to 4 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 4 PM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-08-07 03:01:53

829 
WHUS73 KDLH 070801
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
301 AM CDT Fri Aug 7 2026

LSZ140-071200-
/O.EXT.KDLH.SC.Y.0092.000000T0000Z-260807T1200Z/
Grand Portage to Grand Marais MN-
301 AM CDT Fri Aug 7 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 kts with gusts up to 25 kts and
  waves 2 to 3 ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$


Action: Expired
Issued At: 2026-08-07 07:19:40

815 
WHUS73 KDLH 071219
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
719 AM CDT Fri Aug 7 2026

LSZ140-071330-
/O.EXP.KDLH.SC.Y.0092.000000T0000Z-260807T1200Z/
Grand Portage to Grand Marais MN-
719 AM CDT Fri Aug 7 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves no longer pose a threat to small craft.

$$



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