Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 240754
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
354 AM EDT FRI APR 24 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A HIGH PRESSURE RIDGE AVERAGING 30.2 INCHES STRETCHING
FROM MANITOBA THROUGH THE TENNESSEE VALLEY WILL SETTLE FROM ONTARIO
TO THE UPPER GREAT LAKES FRIDAY NIGHT THROUGH TUESDAY.

LSZ162-241600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS BY
MID AFTERNOON. ISOLATED RAIN AND SNOW SHOWERS BY MID AFTERNOON.
WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS. ISOLATED RAIN AND SNOW
SHOWERS THROUGH MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-241600-
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-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS BY
MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS LESS THAN 10 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.

$$

LSZ264-241600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS LESS THAN 10 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.

$$

LSZ265-241600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES CALM
TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-241600-
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-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...NORTH WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS LESS THAN 10 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.

$$

LSZ267-241600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
354 AM EDT FRI APR 24 2015

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ261-241600-
MAFOR 2409/
SUPERIOR WEST 11200 12210 14220 11220. WAVES 4 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11100 12200 14210 11210. WAVES 2 FEET OR
LESS.

SUPERIOR SOUTH CENTRAL 11100 11200 14210 11210 11310. WAVES 1 TO
2 FEET.

SUPERIOR EAST 11810 11800 13700 11800 11100 11200. WAVES 2 FEET
OR LESS.

$$

KF



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