Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS63 KMQT 031945
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
345 PM EDT MON AUG 3 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.0 INCH HIGH PRESSURE RIDGE OVER CENTRAL CANADA WILL
CONTINUE TO BUILD AND PERSIST ACROSS THE UPPER GREAT LAKES THROUGH
WEDNESDAY. BY THURSDAY...LOW PRESSURE OF 29.7 INCHES WILL DEVELOP
OVER THE MIDWEST AND MOVE EASTWARD THROUGH THE LOWER LAKES TO THE
MID ATLANTIC COAST BY SATURDAY. HIGH PRESSURE RIDGING OF 30.0 INCHES
WILL REMAIN ACROSS LAKE SUPERIOR AND THE UPPER GREAT LAKES DURING
THIS TIME.

LSZ162-040345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS
THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-040345-
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-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.

$$

LSZ264-040345-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-040345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-040345-
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-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
RAIN SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BACKING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-040345-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
345 PM EDT MON AUG 3 2015

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. ISOLATED SHOWERS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ261-040345-
MAFOR 0321/
SUPERIOR WEST 11610 11710 14700 11600 11500. WAVES 2 FEET OR
LESS.

SUPERIOR NORTH CENTRAL 11620 11610 14710 11710 11610. WAVES 1 TO
2 FEET.

SUPERIOR SOUTH CENTRAL 12710 11610 14710 11710. WAVES 1 TO 2
FEET.

SUPERIOR EAST 12610 11600 12700 12710 11610. WAVES 1 TO 2 FEET.

$$

KC



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.