Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 130751
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
351 AM EDT SUN APR 13 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.5 INCH LOW PRESSURE SYSTEM OVER THE CENTRAL PLAINS
WILL EXTEND A 29.6 INCH TROUGH ACROSS WISCONSIN AND LOWER MICHIGAN
TODAY. THIS TROUGH WILL REMAIN OVER WISCONSIN AND LOWER MICHIGAN
SUNDAY NIGHT. A 29.5 INCH LOW PRESSURE SYSTEM OVER LAKE HURON ON
MONDAY WILL MOVE INTO QUEBEC. 30.3 INCH HIGH PRESSURE OVER THE
CANADIAN PRAIRIES MONDAY NIGHT WILL MOVE ACROSS THE UPPER GREAT LAKES
ON TUESDAY AND WILL MOVE INTO THE LOWER GREAT LAKES TUESDAY NIGHT.
29.4 INCH LOW PRESSURE OVER THE CENTRAL PLAINS WEDNESDAY MORNING WILL
MOVE EAST ACROSS LAKE SUPERIOR WEDNESDAY NIGHT WHILE WEAKENING TO
29.9 INCHES BY THURSDAY MORNING. 30.6 INCH HIGH PRESSURE WILL MOVE
INTO THE NORTHERN PLAINS ON THURSDAY.

LSZ162-131600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
351 AM EDT SUN APR 13 2014 /251 AM CDT SUN APR 13 2014/

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG.
WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...WEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW BY
MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ263-264-131600-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
351 AM EDT SUN APR 13 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A
SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO
CALM TO 2 FEET.
.TODAY...EAST WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ265-131600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
351 AM EDT SUN APR 13 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG.
.TODAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY
AFTERNOON.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH WINDS 20 TO
30 KNOTS. A SLIGHT CHANCE OF RAIN THROUGH MIDNIGHT. A SLIGHT CHANCE
OF SNOW.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ266-267-131600-
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-
351 AM EDT SUN APR 13 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A
SLIGHT CHANCE OF RAIN SHOWERS.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
RAIN BY MID AFTERNOON.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH
RAIN.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ261-131545-
MAFOR 1309/
SUPERIOR WEST 11110 11800 11700 11610 11720 13830. PATCHY FOG THIS
MORNING. WAVES 2 FEET OR LESS TODAY. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 11210 11200 11100 11600 11610 11720 12840.
PATCHY FOG THIS MORNING. SLIGHT CHANCE OF RAIN SHOWERS EARLY THIS
MORNING. WAVES 2 FEET OR LESS TODAY. WAVES 2 FEET OR LESS BUILDING
TO 5 TO 7 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11210 11100 11700 13710 11740 11840. PATCHY
FOG THIS MORNING. SLIGHT CHANCE OF RAIN AND SNOW TONIGHT.
NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11210 11110 11100 11800 11700 11810 11820 11830.
PATCHY FOG THIS MORNING. SLIGHT CHANCE OF RAIN SHOWERS EARLY THIS
MORNING. CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN TONIGHT.
NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.
$$

JLB





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