406
WHUS73 KDLH 180907
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
407 AM CDT Mon Aug 18 2025

LSZ144-145-181200-
/O.EXP.KDLH.SC.Y.0086.000000T0000Z-250818T0900Z/
/O.NEW.KDLH.SC.Y.0088.250818T0907Z-250818T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
407 AM CDT Mon Aug 18 2025

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


* WHAT...East winds 10 to 15 kt with gusts up to 20 kt and waves
  2 to 5 ft.

* WHERE...Two Harbors to Duluth MN and Duluth MN to Port Wing WI.

* 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.

&&

$$

LSZ121-146>148-150-181015-
/O.EXP.KDLH.SC.Y.0086.000000T0000Z-250818T0900Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
407 AM CDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and wave heights have decreased this morning. Southeast
wind gusts of 15-20kts remain possible.

$$

LSZ140-141-182115-
/O.EXT.KDLH.SC.Y.0086.000000T0000Z-250818T2200Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
407 AM CDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* WHAT...Waves 2 to 5 ft.

* WHERE...Grand Portage to Grand Marais MN and Grand Marais to
  Taconite Harbor MN.

* WHEN...Until 5 PM CDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ142-143-181500-
/O.CON.KDLH.SC.Y.0086.000000T0000Z-250818T1500Z/
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
407 AM CDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Waves 3 to 6 ft.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Silver Bay
  Harbor to Two Harbors MN.

* WHEN...Until 10 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.

&&

$$