318
WHUS73 KDLH 190417
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1117 PM CDT Mon Aug 18 2025

LSZ121-140>148-150-191400-
/O.NEW.KDLH.MF.Y.0018.250819T0417Z-250819T1400Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Grand Portage to Grand Marais MN-
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-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1117 PM CDT Mon Aug 18 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT TUESDAY...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Portions of Lake Superior.

* WHEN...Until 9 AM CDT Tuesday.

* 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.

&&

$$

Britt