Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 191344
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
944 AM EDT SAT APR 19 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...AS 30.5 INCH HIGH PRESSURE OVER JAMES BAY MOVES INTO
QUEBEC THROUGH TONIGHT...LOW PRESSURE OF 29.6 INCHES OVER SOUTHERN
SASKATCHEWAN WILL SLIDE OVER SOUTHERN MANITOBA THIS AFTERNOON AND
MOVE TOWARD NORTHERN ONTARIO LATE TONIGHT. AS THIS LOW REACHES JAMES
BAY BY LATE SUNDAY...A LOW PRESSURE TROUGH OF 30.0 INCHES WILL CROSS
THE UPPER GREAT LAKES. A 30.1 INCH HIGH PRESSURE RIDGE WILL QUICKLY
MOVE ACROSS LAKE SUPERIOR SUNDAY NIGHT INTO EARLY MONDAY...AHEAD OF
THE NEXT QUICK MOVING 29.8 INCH LOW PRESSURE SYSTEM SINKING ACROSS
THE GREAT LAKES REGION FROM THE NORTHWEST MONDAY AFTERNOON INTO
MONDAY NIGHT. EXPECT A 30.2 INCH HIGH PRESSURE RIDGE OVER CENTRAL
CANADA AND THE NORTHERN PLAINS TUESDAY MORNING TO DRIFT TOWARD THE
UPPER GREAT LAKES ON TUESDAY AFTERNOON AND SETTLE OVER THE AREA ON
WEDNESDAY.

LSZ162-192100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
944 AM EDT SAT APR 19 2014 /844 AM CDT SAT APR 19 2014/

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF FREEZING
RAIN AND SNOW THROUGH MIDDAY...THEN RAIN. WAVES 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES SUBSIDING TO CALM TO 2
FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.MONDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET.

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

$$

LSZ263-192100-
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-
944 AM EDT SAT APR 19 2014

.REST OF TODAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
FREEZING RAIN AND SNOW THROUGH MIDDAY...THEN RAIN LIKELY. PATCHY FOG
BY MID AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
BUILDING TO 1 TO 3 FEET.

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

$$

LSZ264-192100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
944 AM EDT SAT APR 19 2014

.REST OF TODAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW...POSSIBLY MIXED WITH FREEZING THROUGH MIDDAY...THEN RAIN.
PATCHY FOG BY MID AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6
FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO
3 FEET.

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

$$

LSZ265-192100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
944 AM EDT SAT APR 19 2014

.REST OF TODAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
RAIN...POSSIBLY MIXED WITH FREEZING RAIN AND SNOW THROUGH
MIDDAY...THEN RAIN.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. RAIN THROUGH
MIDNIGHT. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF RAIN.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-267-192100-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
944 AM EDT SAT APR 19 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF FREEZING RAIN
AND SNOW THROUGH MIDDAY...THEN A CHANCE OF RAIN.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS. RAIN THROUGH MIDNIGHT...
THEN A CHANCE OF RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT
CHANCE OF RAIN THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS VEERING EAST AFTER
MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$
LSZ261-192100-
MAFOR 1915/
SUPERIOR WEST 12336 11316 11310 11410 12500 11600. PATCHY FOG.
CHANCE OF LIGHT FREEZING RAIN AND SNOW THROUGH MIDDAY. CHANCE OF
RAIN TONIGHT. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11336 13346 11440 11430 11420 11510. PATCHY
FOG. CHANCE OF SNOW AND LIGHT FREEZING RAIN THROUGH MIDDAY. RAIN IN
THE EVENING THEN A CHANCE OF RAIN OVERNIGHT. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 11330 12346 12436 11430 11420 11520. SLIGHT
CHANCE OF LIGHT FREEZING RAIN AND SNOW THROUGH MIDDAY. CHANCE OF
RAIN OVERNIGHT. PATCHY FOG. SLIGHT CHANCE OF RAIN SUNDAY MORNING.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11320 12330 12336 11436 11430 11420. CHANCE OF RAIN
THIS AFTERNOON. PATCHY FOG. SLIGHT CHANCE OF RAIN SUNDAY MORNING.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

MZ





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