Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 170848
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
348 AM EST TUE JAN 17 2017

.SYNOPSIS...LOW PRESSURE OF 29.8 INCHES NEAR CHICAGO WILL TRACK
ACROSS SOUTHERN LOWER MICHIGAN TODAY...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.

LSZ162-171700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
348 AM EST TUE JAN 17 2017 /248 AM CST TUE JAN 17 2017/

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST 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.

$$

LSZ263-171700-
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-
348 AM EST TUE JAN 17 2017

.EARLY THIS MORNING...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST 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.

$$

LSZ264-171700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
348 AM EST TUE JAN 17 2017

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING WEST 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 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.

$$

LSZ265-171700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
348 AM EST TUE JAN 17 2017

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTH 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.

$$

LSZ266-171700-
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-
348 AM EST TUE JAN 17 2017

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH 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.

$$

LSZ267-171700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
348 AM EST TUE JAN 17 2017

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 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.

$$

LSZ261-171700-
MAFOR 1710/
SUPERIOR WEST 12100 11800 11600 11510 11520 12530. WAVES 1 FOOT
OR LESS TODAY BUILDING TO 3 TO 6 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 12300 11400 11600 11610 12520 11530. WAVES
1 FOOT OR LESS TODAY BUILDING TO 3 TO 6 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 12300 11500 12600 12610 11520. WAVES 1
FOOT OR LESS TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR EAST 13310 11300 11400 11500 12510. WAVES 2 FEET OR
LESS.

$$

ROLFSON


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