797
WHUS53 KDLH 230223
SMWDLH
LSZ142>147-150-162-230330-
/O.NEW.KDLH.MA.W.0033.250823T0223Z-250823T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DULUTH MN
923 PM CDT FRI AUG 22 2025
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
DULUTH MN TO PORT WING WI...
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE
MN BEYOND 5NM...
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND...
PORT WING TO SAND ISLAND WI...
SAND ISLAND TO BAYFIELD WI...
SILVER BAY HARBOR TO TWO HARBORS MN...
TACONITE HARBOR TO SILVER BAY HARBOR MN...
TWO HARBORS TO DULUTH MN...
* UNTIL 1030 PM CDT.
* AT 923 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 NM WEST OF CASTLE DANGER TO DULUTH HARBOR TO 13
NM SOUTHWEST OF BARKERS ISLAND, MOVING EAST AT 40 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
SUPERIOR ENTRY, SAND ISLAND, BARKERS ISLAND, TWIN POINTS SAFE
HARBOR, BEAVER BAY, MCQUADE HARBOR, HERBSTER, MEYERS BEACH,
LARSMONT, SUPERIOR HARBOR, SPLIT ROCK LIGHTHOUSE, EAGLE ISLAND,
PORT WING HARBOR, KNIFE RIVER MARINA, CASTLE DANGER, DULUTH LIFT
BRIDGE CHANNEL, DULUTH HARBOR, SISKWIT BAY, APOSTLE ISLAND SEA
CAVES, AND TWO HARBORS PROTECTED ACCESS AGATE BAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE
EXPECTED.
LAT...LON 4667 9230 4668 9224 4675 9214 4682 9209
4715 9149 4729 9131 4726 9069 4692 9095
4684 9110 4682 9118 4683 9121 4674 9150
4666 9191 4666 9203 4671 9210 4666 9211
4662 9221 4664 9229
TIME...MOT...LOC 0223Z 270DEG 42KT 4719 9175 4676 9208 4662 9234
HAIL...<.75IN
WIND...>34KTS
ROTHSTEIN
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