Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 271945
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
345 PM EDT SAT SEP 27 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE ACROSS LAKE HURON AND THE LOWER
GREAT LAKES WILL CONTINUE TO SINK SOUTH...REACHING THE MID ATLANTIC
STATES BY THE END OF THE DAY SUNDAY. MEANWHILE A 30.0 INCH TROUGH
EXTENDING FROM 29.6 INCH LOW PRESSURE OVER SOUTHERN HUDSON BAY WILL
SLOWLY SINK ACROSS LAKE SUPERIOR ON SUNDAY...AND THE LOWER GREAT
LAKES SUNDAY NIGHT. EXPECT A 30.5 INCH HIGH PRESSURE SYSTEM OVER
ONTARIO SUNDAY NIGHT TO PUSH INTO FAR EASTERN CANADA WHILE BUILDING
A RIDGE AVERAGING 30.2 INCHES ACROSS LAKE SUPERIOR SUNDAY NIGHT
THROUGH TUESDAY. 29.3 INCH LOW PRESSURE OVER THE DAKOTAS TUESDAY
EVENING WILL MOVE INTO NORTHERN MANITOBA ON THURSDAY...WHILE
DRAGGING A TROUGH AVERAGING 29.7 INCHES INTO WESTERN LAKE SUPERIOR
BY THE END OF THE DAY.

LSZ162-280345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
345 PM EDT SAT SEP 27 2014 /245 PM CDT SAT SEP 27 2014/

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES CALM
TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH
MIDNIGHT...THEN SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN. WAVES
SUBSIDING TO 4 TO 7 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-280345-
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-
345 PM EDT SAT SEP 27 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT...THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG
AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF RAIN. WAVES SUBSIDING TO 5 TO 8 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO
2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-280345-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
345 PM EDT SAT SEP 27 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO
20 TO 30 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT.
WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF RAIN. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING
TO 5 TO 8 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.

$$

LSZ265-280345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
345 PM EDT SAT SEP 27 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS. WAVES
BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. RAIN LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN BY MID AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET...
THEN SUBSIDING TO 4 TO 7 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-280345-
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-
345 PM EDT SAT SEP 27 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. RAIN LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN BY MID AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET...
THEN SUBSIDING TO 4 TO 7 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
SHOWERS LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ267-280345-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
345 PM EDT SAT SEP 27 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A CHANCE OF SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. RAIN LIKELY
THROUGH EARLY AFTERNOON...THEN A CHANCE OF RAIN BY MID AFTERNOON.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS...
THEN SHOWERS LIKELY. WAVES 1 TO 3 FEET.

$$

LSZ261-280345-
MAFOR 2721/
SUPERIOR WEST 11500 15510 11510. PATCHY FOG OVERNIGHT THROUGH SUNDAY
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS SUNDAY AFTERNOON. WAVES 2
FEET OR LESS.

SUPERIOR NORTH CENTRAL 11410 14510 11510 11613 11713. PATCHY FOG
OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS SUNDAY AFTERNOON. WAVES 3
FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11410 12420 14510 11400. WAVES 2 FEET OR
LESS.

SUPERIOR EAST 11410 12420 11520 12510 12500. PATCHY FOG SUNDAY
AFTERNOON. WAVES 1 TO 3 FEET.

$$

KF




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