Marine Weather Message
Issued by NWS Duluth, MN

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000
WHUS73 KDLH 140946
MWWDLH

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
346 AM CST SAT JAN 14 2017

...STRONG SOUTHWEST WINDS CONTINUE THIS MORNING...

.WESTERN LAKE SUPERIOR WAS BETWEEN A FAST-MOVING CLIPPER SYSTEM
OVER FAR NORTHERN ONTARIO AND HIGH PRESSURE OVER IOWA AND ILLINOIS
EARLY THIS MORNING. THE RESULTANT TIGHT PRESSURE GRADIENT WAS
CREATING STRONG AND GUSTY SOUTHWEST WINDS AND HIGH WAVES. THE
STRONGEST WINDS ARE EXPECTED AROUND SUNRISE THIS MORNING. AS THE
PRESSURE GRADIENT RELAXES LATER THIS MORNING...WIND AND WAVES
WILL DIMINISH. THE WIND AND WAVES ARE ALSO EXPECTED TO CREATE
CONSIDERABLE SPRAY AWAY FROM SHORE...WHICH WILL RAPIDLY ACCUMULATE
ON VESSEL HULLS...DECKS...AND STRUCTURES.

LSZ140-141600-
/O.EXT.KDLH.UP.W.0002.000000T0000Z-170114T1600Z/
/O.EXT.KDLH.SC.Y.0005.000000T0000Z-170114T1600Z/
GRAND PORTAGE TO GRAND MARAIS MN-
346 AM CST SAT JAN 14 2017

...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 10 AM CST
THIS MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* ICE ACCUMULATIONS...MODERATE TO HEAVY.

* SUSTAINED WINDS...WEST 15 TO 25 KNOTS.

* WIND GUSTS...UP TO 35 KNOTS.

* WAVES...6 TO 8 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS THE COMBINATION OF STRONG
WINDS AND HIGH WAVES ALONG WITH COLD TEMPERATURES WILL RESULT IN
RAPID ICE ACCRETION VESSEL HULLS AND DECKS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS NOT
PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE WARNING
AREA.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LSZ141-141600-
/O.EXT.KDLH.SC.Y.0005.000000T0000Z-170114T1600Z/
GRAND MARAIS TO TACONITE HARBOR MN-
346 AM CST SAT JAN 14 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* SUSTAINED WINDS...WEST 15 TO 25 KNOTS.

* WIND GUSTS...UP TO 30 KNOTS.

* WAVES...4 TO 6 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LSZ142>145-141600-
/O.EXT.KDLH.SC.Y.0005.000000T0000Z-170114T1600Z/
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-
346 AM CST SAT JAN 14 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* SUSTAINED WINDS...SOUTHWEST 15 TO 25 KNOTS.

* WIND GUSTS...UP TO 30 KNOTS.

* WAVES...3 TO 5 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LSZ121-146>148-141600-
/O.EXT.KDLH.SC.Y.0005.000000T0000Z-170114T1600Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
PORT WING TO SAND ISLAND WI-SAND ISLAND TO BAYFIELD WI-
OAK POINT TO SAXON HARBOR WI-
346 AM CST SAT JAN 14 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* SUSTAINED WINDS...SOUTHWEST 15 TO 25 KNOTS.

* WIND GUSTS...UP TO 30 KNOTS.

* WAVES...2 TO 5 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

HUYCK


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