Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 171446
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
ISSUED BY NATIONAL WEATHER SERVICE GAYLORD MI
946 AM EST TUE JAN 17 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.8 INCHES OVER FAR SOUTHERN LAKE
MICHIGAN WILL TRACK ACROSS SOUTHERN LOWER MICHIGAN THIS AFTERNOON...
THEN DISSIPATE AS IT MOVES TOWARD NEW ENGLAND. IN ITS WAKE...HIGH
PRESSURE OF 30.2 INCHES BUILDING OVER THE SOUTHERN PLAINS TODAY
WILL SHIFT TO THE OHIO VALLEY BY WEDNESDAY AFTERNOON WHILE LOW
PRESSURE OF 29.1 INCHES TRACKS EAST TO HUDSON BAY. AS THE HIGH
MOVES TO THE EASTERN SEABOARD BY FRIDAY MORNING...IT WILL EXTEND A
29.8 INCH RIDGE BACK TO THE UPPER GREAT LAKES. THE RIDGE WILL
DRIFT NORTH ON SATURDAY AS 29.5 INCH LOW PRESSURE MOVES OUT OVER
THE CENTRAL PLAINS.

LSZ162-172300-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
946 AM EST TUE JAN 17 2017 /846 AM CST TUE JAN 17 2017/

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST. WAVES CALM
TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-172300-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
946 AM EST TUE JAN 17 2017

.REST OF TODAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-172300-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
946 AM EST TUE JAN 17 2017

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING WEST IN THE
AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ265-172300-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
946 AM EST TUE JAN 17 2017

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-172300-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
946 AM EST TUE JAN 17 2017

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
5 TO 8 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-172300-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
946 AM EST TUE JAN 17 2017

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-172300-
MAFOR 1716/
SUPERIOR WEST 11700 11610 11520 11530 12550 12540. WAVES 1 FOOT
OR LESS THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET
TONIGHT. WAVES 4 TO 7 FEET WEDNESDAY MORNING.

SUPERIOR NORTH CENTRAL 11700 11610 11520 11530 14540. WAVES 1
FOOT OR LESS THIS AFTERNOON. WAVES 1 FOOT OR LESS BUILDING TO 3
TO 6 FEET TONIGHT. WAVES 5 TO 8 FEET WEDNESDAY MORNING.

SUPERIOR SOUTH CENTRAL 11600 11700 11610 11620 14530. WAVES 1
FOOT OR LESS THIS AFTERNOON. WAVES 1 TO 3 FEET TONIGHT AND
WEDNESDAY MORNING.

SUPERIOR EAST 11300 11400 11500 11610 11620 12520 11530. WAVES 2
FEET OR LESS THIS AFTERNOON AND TONIGHT. WAVES 2 TO 4 FEET
WEDNESDAY MORNING.

$$

JPB



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