Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 290806
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
406 AM EDT TUE JUL 29 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...EXPECT A LOW PRESSURE TROUGH AVERAGING 29.9 INCHES OVER
ONTARIO TO MOVE OVER LAKE SUPERIOR TODAY ON THE SOUTHWEST FLANK OF A
29.4 INCH LOW PRESSURE SYSTEM IN QUEBEC AND TO THE EAST OF A 30.2
INCH HIGH PRESSURE RIDGE IN THE PLAINS. A WEAK 30.1 INCH HIGH
PRESSURE RIDGE WILL FOLLOW INTO THE UPPER LAKES ON WEDNESDAY BEFORE
ANOTHER SUBTLE LOW PRESSURE TROUGH AVERAGING 30.0 INCHES RETURNS ON
THURSDAY INTO FRIDAY. LOOK FOR A 30.2 INCH HIGH PRESSURE SYSTEM TO
BUILD OVER LAKE SUPERIOR ON SATURDAY AS THE TROUGH DRIFTS INTO THE
LOWER LAKES.

LSZ162-291615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
406 AM EDT TUE JUL 29 2014 /306 AM CDT TUE JUL 29 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID AFTERNOON.
SCATTERED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING
NORTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF
SHOWERS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ263-291615-
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-
406 AM EDT TUE JUL 29 2014

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

$$

LSZ264-291615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
406 AM EDT TUE JUL 29 2014

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

$$

LSZ265-291615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
406 AM EDT TUE JUL 29 2014

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

$$

LSZ266-291615-
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-
406 AM EDT TUE JUL 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED RAIN SHOWERS
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. 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 BECOMING NORTHWEST
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST. WAVES CALM TO
2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM TO
2 FEET.

$$

LSZ267-291615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
406 AM EDT TUE JUL 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES CALM
TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST.
WAVES CALM TO 2 FEET.

$$

LSZ261-291615-
MAFOR 2909/
SUPERIOR WEST 11710 11610 11510 12400 12500 11600. SCATTERED RAIN
SHOWERS AND THUNDERSTORMS TODAY. SLIGHT CHANCE OF RAIN SHOWERS THIS
EVENING. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 13700 12610 11620 11810 11800. ISOLATED RAIN
SHOWERS AND THUNDERSTORMS THIS MORNING. PATCHY FOG OVERNIGHT. WAVES
2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 13710 11700 11710 11600 12710. ISOLATED RAIN
SHOWERS TODAY. WAVES 2 FEET OR LESS.

SUPERIOR EAST 14710 11720 12710 11700. ISOLATED RAIN SHOWERS THIS
MORNING. WAVES 1 TO 2 FEET.

$$

JLA






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