Great Lakes Forecast
Issued by NWS

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412
FZUS63 KMQT 142114
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
414 PM EST SUN FEB 14 2016

.SYNOPSIS...HIGH PRESSURE OF 30.6 INCHES OVER THE NORTHEAST STATES
WILL MOVE EASTWARD THROUGH MONDAY WHILE LOW PRESSURE OF 29.4 INCHES
OVER NORTHERN MANITOBA TRACKS TO SOUTHERN HUDSON BAY. AS THIS LOW
MOVES TO NORTHERN QUEBEC THROUGH TUESDAY...A TROUGH OF 29.7 INCHES
WILL CROSS THE UPPER GREAT LAKES. A 29.8 INCH TROUGH WILL LINGER OVER
EASTERN LAKE SUPERIOR THROUGH WEDNESDAY BEFORE A 30.3 INCH HIGH
PRESSURE SETTLES OVER THE UPPER GREAT LAKES REGION WEDNESDAY NIGHT.
AS THE HIGH CROSSES THE LOWER GREAT LAKES AND NEW ENGLAND THURSDAY
INTO FRIDAY...BROAD LOW PRESSURE OF 29.3 INCHES OVER THE ROCKIES WILL
CROSS SOUTH CENTRAL CANADA AND THE NORTHERN PLAINS TO THE UPPER
MISSISSIPPI RIVER VALLEY.

LSZ162-150515-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
414 PM EST SUN FEB 14 2016 /314 PM CST SUN FEB 14 2016/

.LATE THIS AFTERNOON...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF SNOW. A CHANCE OF RAIN. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS.
A CHANCE OF RAIN. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ263-150515-
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-
414 PM EST SUN FEB 14 2016

.LATE THIS AFTERNOON...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW IN THE EVENING. SNOW
LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING
TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS. HEAVY FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING EAST 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. A CHANCE OF RAIN. WAVES BUILDING TO
3 TO 5 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN AND SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ264-150515-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
414 PM EST SUN FEB 14 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. WAVES 2 TO
4 FEET BUILDING TO 3 TO 5 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW IN THE EVENING. SNOW
LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 8 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. A CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING
TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...NORTH GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST 20 TO
30 KNOTS. SNOW LIKELY. WAVES BUILDING TO 4 TO 7 FEET.
.FRIDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. RAIN LIKELY. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ265-150515-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
414 PM EST SUN FEB 14 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW IN
THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY.
HEAVY FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 3 TO
6 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. SNOW...POSSIBLY MIXED WITH RAIN. WAVES BUILDING TO 4 TO
7 FEET.
.FRIDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. RAIN
LIKELY...THEN A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-150515-
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-
414 PM EST SUN FEB 14 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS. FREEZING SPRAY. A SLIGHT CHANCE OF SNOW IN THE EVENING.
SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 4 TO 7 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. FREEZING SPRAY IN THE MORNING. A CHANCE OF SNOW. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. FREEZING SPRAY
AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. SNOW LIKELY. WAVES BUILDING TO 5 TO 8 FEET.
.FRIDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING NORTHWEST.
RAIN...POSSIBLY MIXED WITH FREEZING RAIN. A CHANCE OF SNOW. A
CHANCE OF RAIN. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
3 TO 5 FEET.

$$

LSZ267-150515-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
414 PM EST SUN FEB 14 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. SNOW LIKELY IN THE MORNING...THEN A
CHANCE OF SNOW IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM
TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. FREEZING
SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.FRIDAY...SOUTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. SNOW...POSSIBLY MIXED WITH RAIN. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ261-150515-
MAFOR 1422/
SUPERIOR WEST 11430 11440 11447 13530 12520. CHANCE OF SNOW THIS
EVENING AND LATE TONIGHT. WAVES 1 TO 5 FEET.

SUPERIOR NORTH CENTRAL 13440 11447 11547 13530. FREEZING SPRAY
FROM LATE EVENING THROUGH MONDAY MORNING. CHANCE OF SNOW LATE THIS
EVENING THROUGH MONDAY MORNING. WAVES 2 TO 4 FEET BUILDING TO 5 TO 8
FEET TONIGHT. WAVES SUBSIDING TO 3 TO 6 FEET MONDAY.

SUPERIOR SOUTH CENTRAL 13440 11447 11437 11530 12520. FREEZING
SPRAY AFTER MIDNIGHT. CHANCE OF SNOW AFTER MIDNIGHT TONIGHT THROUGH
MID MONDAY MORNING. WAVES 1 TO 6 FEET.

SUPERIOR EAST 14440 12447 11440 11430. FREEZING SPRAY LATE
TONIGHT THROUGH MONDAY MORNING. CHANCE OF SNOW MONDAY AFTERNOON.
WAVES 3 TO 7 FEET.

$$

JS



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