Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 290843 AAA
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR...UPDATED
NATIONAL WEATHER SERVICE MARQUETTE MI
443 AM EDT SAT AUG 29 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE CENTERED OVER NEW YORK STATE
WILL MOVE OFF THE EASTERN SEABOARD BY THIS AFTERNOON WHILE LOW
PRESSURE OF 29.9 INCHES OVER EASTERN IOWA DISSIPATES AS IT MOVES
TOWARD WISCONSIN AND NORTHERN ILLINOIS. A WEAK 30.0 INCH HIGH
PRESSURE WILL BUILD OVER THE UPPER LAKES ON SUNDAY AS LOW PRESSURE OF
29.5 INCHES CROSSES MANITOBA AND NORTHERN ONTARIO. A 29.7 INCH LOW
PRESSURE TROUGH OVER THE NORTHERN PLAINS MONDAY MORNING WILL MOVE
NORTHEASTWARD ACROSS NORTHWEST ONTARIO THROUGH MONDAY NIGHT. THEN...A
29.7 INCH TROUGH OVER THE NORTHERN HIGH PLAINS WILL REMAIN NEARLY
STATIONARY AS A 30.1 INCH HIGH PRESSURE REMAINS ENTRENCHED OVER THE
EASTERN THIRD OF THE UNITED STATES THROUGH NEXT WEEK.

LSZ162-291645-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
443 AM EDT SAT AUG 29 2015 /343 AM CDT SAT AUG 29 2015/

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES CALM TO
2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST. WAVES
CALM TO 2 FEET.

$$

LSZ263-291645-
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-
443 AM EDT SAT AUG 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-291645-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
443 AM EDT SAT AUG 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-291645-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
443 AM EDT SAT AUG 29 2015

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. ISOLATED SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ266-291645-
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-
443 AM EDT SAT AUG 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES BUILDING
TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-291645-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
443 AM EDT SAT AUG 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-291645-
MAFOR 2909/
SUPERIOR WEST 11530 19930 12540 11510 11500 12400 11500. SCATTERED
SHOWERS AND THUNDERSTORMS THIS MORNING. WAVES 1 TO 3 FEET TODAY.
WAVES 1 FOOT OR LESS TONIGHT.

SUPERIOR NORTH CENTRAL 12530 11520 13510 12400. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY THIS MORNING. WAVES 2 TO 4 FEET TODAY. WAVES 1 TO
2 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 13520 11400 12300 12410. ISOLATED SHOWERS AND
THUNDERSTORMS THIS MORNING. WAVES 2 FEET OR LESS.

SUPERIOR EAST 13520 11510 11400 11300 11400 11410. ISOLATED SHOWERS
AND THUNDERSTORMS THIS MORNING. WAVES 1 TO 2 FEET.

$$

JLA


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