Marine Weather Message
Issued by NWS Duluth, MN

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000
WHUS73 KDLH 202125
MWWDLH

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
325 PM CST MON NOV 20 2017

...GALES TONIGHT INTO TUESDAY ACROSS WESTERN LAKE SUPERIOR...

.GALE-FORCE WIND GUSTS WILL DEVELOP OVER WESTERN LAKE SUPERIOR
TONIGHT, AND CONTINUE THROUGH TUESDAY. STRONG SOUTHWEST WINDS
WILL DEVELOP THIS EVENING AHEAD OF A COLD FRONT. THEN, THE COLD
FRONT WILL MOVE FROM WEST TO EAST ACROSS WESTERN LAKE SUPERIOR
AROUND MIDNIGHT WITH WINDS BECOMING WEST TO NORTHWESTERLY AND
GUSTING TO 35 TO 40 KNOTS. THESE STRONG WINDS WILL PERSIST INTO
TUESDAY MORNING, THEN GRADUALLY DIMINISH TUESDAY AFTERNOON. DUE TO
THE STRONG WINDS, WAVES WILL BUILD, ESPECIALLY ALONG THE SOUTH
SHORE, WHERE WAVE HEIGHTS COULD INCREASE TO AS HIGH AS 7 TO 9 FEET
TONIGHT.

LSZ140>143-210730-
/O.EXT.KDLH.GL.W.0012.171121T0300Z-171121T2200Z/
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-
325 PM CST MON NOV 20 2017

...GALE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 4 PM CST
TUESDAY...

* SUSTAINED WINDS...WEST TO NORTHWEST 20 TO 25 KNOTS.

* WIND GUSTS...UP TO 35 KNOTS.

* WAVES...4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LSZ121-144>148-210730-
/O.EXT.KDLH.GL.W.0012.171121T0300Z-171121T2200Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-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-
325 PM CST MON NOV 20 2017

...GALE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 4 PM CST
TUESDAY...

* SUSTAINED WINDS...WEST 20 TO 30 KNOTS.

* WIND GUSTS...UP TO 40 KNOTS.

* WAVES...7 TO 9 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

JTS



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