Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
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 290742
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
342 AM EDT MON JUN 29 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH OF 29.8 INCHES WILL SAG SOUTHWARD
OUT OF ONTARIO AND ACROSS LAKE SUPERIOR TODAY AND THEN MOVE SOUTH OF
THE AREA TONIGHT. A 30.1 INCH AREA OF HIGH PRESSURE OVER CENTRAL
CANADA WILL THEN BUILD INTO THE GREAT LAKES ON TUESDAY AND PERSIST
THROUGH THURSDAY. BY FRIDAY...A LOW PRESSURE TROUGH OF 29.8 INCHES
WILL BEGIN TO PUSH INTO THE UPPER GREAT LAKES FROM ONTARIO.

LSZ162-291545-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG. SCATTERED SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER MIDNIGHT.
PATCHY FOG. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTH WINDS LESS THAN 10 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-291545-
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-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-291545-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS
THROUGH EARLY AFTERNOON. PATCHY FOG. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS LESS THAN 10 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-291545-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTH 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SHOWERS AND THUNDERSTORMS.
PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ266-291545-
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-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. PATCHY FOG. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT CHANCE
OF THUNDERSTORMS THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM TO
2 FEET.

$$

LSZ267-291545-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
342 AM EDT MON JUN 29 2015

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS AND
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST 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...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM TO
2 FEET.

$$

LSZ261-291545-
MAFOR 2909/
SUPERIOR WEST 12500 14600 12800. PATCHY FOG THROUGH TONIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND LATE THIS
EVENING. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 14500 11500 11600 11800 11110. PATCHY FOG
THROUGH TONIGHT. SCATTERED RAIN SHOWERS AND THUNDERSTORMS FROM LATE
MORNING THROUGH TONIGHT. WAVES 1 FOOT OR LESS.

SUPERIOR SOUTH CENTRAL 13500 12400 11300 11100 11800. SCATTERED
SHOWERS AND THUNDERSTORMS LATE TODAY THROUGH TONIGHT. PATCHY FOG
LATE TONIGHT. WAVES 1 FOOT OR LESS.

SUPERIOR EAST 11400 13500 12400 12300. PATCHY FOG LATE. SCATTERED
SHOWERS AND THUNDERSTORMS TONIGHT. WAVES 1 FOOT OR LESS.

$$

07


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