Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 131952
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
352 PM EDT SAT SEP 13 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A HIGH PRESSURE RIDGE OF 30.3 INCHES EXTENDING ACROSS
EASTERN LAKE SUPERIOR WILL SHIFT TO THE LOWER GREAT LAKES BY SUNDAY
AFTERNOON. MEANWHILE...A 30.0 INCH LOW PRESSURE TROUGH OVER THE
DAKOTAS AND MANITOBA WILL MOVE EAST...CROSSING LAKE SUPERIOR SUNDAY
AND SUNDAY NIGHT. IN ITS WAKE...HIGH PRESSURE OF 30.2 INCHES WILL
BUILD OVER THE NORTHERN PLAINS SUNDAY NIGHT. AS THE HIGH THEN
WEAKENS TO 30.1 INCHES WHILE MOVING TO THE SOUTHERN GREAT LAKES...
A LOW PRESSURE TROUGH OF 30.0 INCHES WILL DROP SOUTH...CROSSING LAKE
SUPERIOR TUESDAY AFTERNOON AND EVENING. HIGH PRESSURE OF 30.3 INCHES
WILL THEN BUILD OVER NORTHERN ONTARIO WEDNESDAY. AS THE HIGH MOVES
TO THE LOWER GREAT LAKES THURSDAY...A 29.7 INCH LOW PRESSURE TROUGH
WILL EMERGE OVER THE WESTERN PLAINS.

LSZ162-140400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
352 PM EDT SAT SEP 13 2014 /252 PM CDT SAT SEP 13 2014/

.LATE THIS AFTERNOON...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ263-140400-
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-
352 PM EDT SAT SEP 13 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ264-140400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
352 PM EDT SAT SEP 13 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
LATE. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ265-140400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
352 PM EDT SAT SEP 13 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
LATE. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ266-140400-
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-
352 PM EDT SAT SEP 13 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ267-140400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
352 PM EDT SAT SEP 13 2014

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. WAVES 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 15 TO 25 KNOTS. A CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ261-140400-
MAFOR 1321/
SUPERIOR WEST 13420 12430 13530. CHANCE OF RAIN SHOWERS SUNDAY
MORNING. WAVES 1 TO 5 FEET.

SUPERIOR NORTH CENTRAL 11520 14420 12430 11530. CHANCE OF RAIN
SHOWERS SUNDAY. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 11410 13420 13430 11530. CHANCE OF RAIN
SHOWERS SUNDAY AFTERNOON. WAVES CALM TO 3 FEET.

SUPERIOR EAST 11610 11510 11410 12420 13430. CHANCE OF RAIN SHOWERS
SUNDAY AFTERNOON. WAVES CALM TO 3 FEET.

$$

RJT



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