Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 130124
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
924 PM EDT SAT APR 12 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 ON
SUNDAY. 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.

LSZ162-130930-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
924 PM EDT SAT APR 12 2014 /824 PM CDT SAT APR 12 2014/

.REST OF TONIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. PATCHY FOG
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. 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...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

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

$$

LSZ263-264-130930-
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-
924 PM EDT SAT APR 12 2014

.REST OF TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED RAIN AND SNOW SHOWERS. PATCHY
FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WIDESPREAD FOG THROUGH EARLY AFTERNOON. WIDESPREAD
DRIZZLE THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30
KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES
BUILDING TO 4 TO 7 FEET.
.MONDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 5 TO
8 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ265-130930-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
924 PM EDT SAT APR 12 2014

.REST OF TONIGHT...EAST WINDS 10 TO 20 KNOTS. ISOLATED RAIN SHOWERS.
PATCHY FOG AFTER MIDNIGHT.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WIDESPREAD FOG THROUGH EARLY AFTERNOON. WIDESPREAD
DRIZZLE THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
20 TO 30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN THROUGH
MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.MONDAY...NORTH GALES TO 35 KNOTS. A CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT.
.WEDNESDAY THROUGH THURSDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS.

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

$$

LSZ266-267-130930-
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-
924 PM EDT SAT APR 12 2014

.REST OF TONIGHT...EAST WINDS 10 TO 20 KNOTS. ISOLATED RAIN SHOWERS.
PATCHY FOG AFTER MIDNIGHT.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. WIDESPREAD
DRIZZLE THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW.
.MONDAY...NORTH GALES TO 35 KNOTS. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT.
.WEDNESDAY THROUGH THURSDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS.

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

$$
LSZ261-130930-
MAFOR 1303/
SUPERIOR WEST 11220 11210 11110 11100 11700 12710 11730. PATCHY FOG
OVERNIGHT THROUGH SUNDAY MORNING. ISOLATED RAIN SHOWERS LATE THIS
EVENING. WAVES CALM TO 4 FEET.

SUPERIOR NORTH CENTRAL 12220 11210 11200 11800 12700 11720. PATCHY
FOG OVERNIGHT THROUGH SUNDAY MORNING. ISOLATED RAIN SHOWERS OVERNIGHT.
WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 12220 11210 11110 11800 11700 12710. PATCHY
FOG OVERNIGHT THROUGH SUNDAY MORNING. ISOLATED RAIN SHOWERS
OVERNIGHT. SLIGHT CHANCE OF RAIN SUNDAY EVENING. NOTE...WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 12220 11210 11110 11100 11800 12810. PATCHY FOG
OVERNIGHT THROUGH SUNDAY MORNING. SCATTERED RAIN SHOWERS OVERNIGHT.
NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KEC





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