Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 170730
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
330 AM EDT SUN AUG 17 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH HIGH PRESSURE CENTERED OVER NORTHERN ONTARIO
THIS MORNING WILL MOVE SLOWLY EAST TODAY. THE HIGH WILL SETTLE OVER
THE LOWER GREAT LAKES MONDAY WHILE WEAKENING TO 29.9 INCHES. 29.7
INCH LOW PRESSURE OVER MANITOBA AND THE DAKOTAS MONDAY MORNING WILL
TRACK ACROSS THE UPPER GREAT LAKES ON TUESDAY BEFORE SLOWLY
DISSIPATING OVER THE LOWER GREAT LAKES ON WEDNESDAY. BY LATE
WEDNESDAY...BROAD LOW PRESSURE OF 29.6 INCHES WILL DEVELOP OVER THE
CENTRAL AND NORTHERN HIGH PLAINS WHILE 30.1 INCH HIGH PRESSURE
SETTLES OVER NORTHERN QUEBEC.

LSZ162-171530-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
330 AM EDT SUN AUG 17 2014 /230 AM CDT SUN AUG 17 2014/

.EARLY THIS MORNING...EAST WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. SHOWERS LIKELY AND
A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT...THEN A CHANCE
OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST. WAVES
CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.

$$

LSZ263-264-171530-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
330 AM EDT SUN AUG 17 2014

.TODAY...EAST WINDS 5 TO 15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO
3 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ265-171530-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
330 AM EDT SUN AUG 17 2014

.TODAY...EAST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES CALM
TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF THUNDERSTORMS THROUGH MIDNIGHT. A CHANCE OF SHOWERS. WAVES
1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-267-171530-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
330 AM EDT SUN AUG 17 2014

.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES 1 TO
3 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ261-171530-
MAFOR 1709/
SUPERIOR WEST 15220 12210. A SLIGHT CHANCE OF SHOWERS OVERNIGHT.
WAVES 2 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11120 11110 11210 12200 12300 11310. WAVES 2
FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11120 11110 11100 13200 12300. WAVES CALM TO
4 FEET.

SUPERIOR EAST 11120 11110 12800 12810 11100 11200. WAVES 2 FEET OR
LESS.

$$

07




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