Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 200802
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
402 AM EDT MON OCT 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.7 INCHES OVER EASTERN LAKE SUPERIOR
NEAR WHITEFISH POINT WILL MOVE TO NEAR BUFFALO NEW YORK BY TUESDAY
MORNING. MEANWHILE...A HIGH PRESSURE RIDGE OF 30.1 INCHES FROM
MANITOBA TO THE DAKOTAS WILL BUILD TO 30.3 INCHES AS IT REACHES
QUEBEC TO THE UPPER GREAT LAKES ON TUESDAY. THE RIDGE OVER LAKE
SUPERIOR WILL REMAIN NEARLY STATIONARY THROUGH WEDNESDAY AS THE
MAIN AREA OF HIGH PRESSURE BUILDS TO 30.5 INCHES OVER QUEBEC.
EXPECT THE RIDGE OVER LAKE SUPERIOR TO WEAKEN TO 30.0 INCHES BY
FRIDAY WHILE LOW PRESSURE OF 29.4 INCHES SLOWLY MOVES FROM THE
MID ATLANTIC COAST TOWARD NOVA SCOTIA.


LSZ162-201615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
402 AM EDT MON OCT 20 2014 /302 AM CDT MON OCT 20 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.

$$

LSZ263-201615-
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-
402 AM EDT MON OCT 20 2014

.EARLY THIS MORNING...NORTH WINDS 10 TO 20 KNOTS. ISOLATED RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 3 TO 5 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ264-201615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
402 AM EDT MON OCT 20 2014

.EARLY THIS MORNING...NORTH WINDS 15 TO 25 KNOTS. ISOLATED RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ265-201615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
402 AM EDT MON OCT 20 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. WAVES BUILDING
TO 4 TO 8 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ266-201615-
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-
402 AM EDT MON OCT 20 2014

.EARLY THIS MORNING...NORTH WINDS 10 TO 20 KNOTS. ISOLATED RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 4 TO 7 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. WAVES BUILDING TO 5 TO 9 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ267-201615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
402 AM EDT MON OCT 20 2014

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES BUILDING TO 4 TO 8 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ261-201615-
MAFOR 2009/
SUPERIOR WEST 11710 13820 11830 12130 11120. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11820 12830 13840 12130. ISOLATED RAIN
SHOWERS THIS MORNING. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET
TODAY. WAVES 4 TO 7 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11720 13830 13840 11140. ISOLATED RAIN
SHOWERS TODAY AND THIS EVENING. WAVES 1 TO 3 FEET BUILDING TO 4 TO
6 FEET TODAY. WAVES 5 TO 8 FEET TONIGHT.

SUPERIOR EAST 11720 11730 11830 13840 12140. ISOLATED RAIN SHOWERS
THIS MORNING. WAVES 1 TO 5 FEET TODAY BUILDING TO 5 TO 8 FEET TONIGHT.

$$

JLA






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