Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 061352
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
952 AM EDT MON JUL 6 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH AVERAGING 29.7 INCHES EXTENDING
FROM HUDSON BAY TO NEAR HOUGHTON AND THEN TO WESTERN KANSAS WILL
SHIFT EAST...EXITING EASTERN LAKE SUPERIOR THIS EVENING. AS THE
TROUGH MOVES TO THE LOWER GREAT LAKES BY TUESDAY EVENING...HIGH
PRESSURE OF 30.1 INCHES WILL BUILD INTO THE UPPER GREAT LAKES. THE
HIGH WILL SHIFT SLIGHTLY SOUTH AND EAST WEDNESDAY AS A 29.9 INCH LOW
PRESSURE TROUGH SWINGS ACROSS NORTHERN ONTARIO. THE HIGH WILL THEN
REMAIN OVER THE GREAT LAKES REGION THURSDAY AND FRIDAY AS A 29.8 INCH
LOW PRESSURE TROUGH DROPS SOUTHEAST...REACHING FAR NORTHERN ONTARIO
FRIDAY.

LSZ162-062200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. NUMEROUS RAIN SHOWERS BY
LATE MORNING. SCATTERED RAIN SHOWERS BY MID AFTERNOON. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO
2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. ISOLATED
SHOWERS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ263-062200-
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-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. RAIN
SHOWERS BY LATE MORNING. SCATTERED RAIN SHOWERS BY MID AFTERNOON.
WAVES CALM TO 2 FEET BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER
MIDNIGHT. AREAS OF FOG THROUGH MIDNIGHT. SCATTERED SHOWERS THROUGH
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3
FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ264-062200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. RAIN SHOWERS. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH AFTER
MIDNIGHT. AREAS OF FOG THROUGH MIDNIGHT. SCATTERED SHOWERS THROUGH
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ265-062200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
25 KNOTS BY MID AFTERNOON. PATCHY FOG. SHOWERS BY LATE MORNING.
SCATTERED THUNDERSTORMS. SHOWERS BY MID AFTERNOON. WAVES CALM TO
2 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. AREAS OF FOG THROUGH
MIDNIGHT. SCATTERED SHOWERS...ENDING AFTER MIDNIGHT. WAVES BUILDING
TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING
SOUTHWEST 10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-062200-
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-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS BY MID AFTERNOON. AREAS OF FOG. NUMEROUS RAIN SHOWERS BY
LATE MORNING. SCATTERED THUNDERSTORMS. RAIN SHOWERS BY MID
AFTERNOON. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. AREAS OF FOG. ISOLATED THUNDERSTORMS
THROUGH MIDNIGHT. SCATTERED RAIN SHOWERS. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-062200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
952 AM EDT MON JUL 6 2015

.REST OF TODAY...SOUTH WINDS 15 TO 25 KNOTS. PATCHY FOG.
SCATTERED SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET BUILDING
TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. AREAS OF FOG. SHOWERS AND SCATTERED
THUNDERSTORMS THROUGH MIDNIGHT...THEN SCATTERED SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-062200-
MAFOR 0615/
SUPERIOR WEST 11826 11836 11703 11613 11723 11820 11810 11710.
SCATTERED SHOWERS LATE THIS AFTERNOON AND EVENING. WAVES 1 TO 3
FEET.

SUPERIOR NORTH CENTRAL 11816 11126 11826 12733 11730 12720. WAVES 1
TO 4 FEET.

SUPERIOR SOUTH CENTRAL 11316 11136 11836 11746 11733 12730 11720.
PATCHY FOG. ISOLATED THUNDERSTORMS LATE THIS MORNING...THEN
SCATTERED THUNDERSTORMS THIS AFTERNOON. SCATTERED SHOWERS AFTER
MIDNIGHT TONIGHT. WAVES 1 TO 4 FEET THIS AFTERNOON. WAVES 2 TO 5
FEET TONIGHT. WAVES 2 TO 4 FEET TUESDAY MORNING.

SUPERIOR EAST 11423 11336 11439 11646 11746 12733 11720.
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS LATE THIS
MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS EARLY THIS
AFTERNOON. SCATTERED THUNDERSTORMS AFTER MIDNIGHT TONIGHT. WAVES 2 TO
5 FEET THIS AFTERNOON. WAVES 3 TO 6 FEET TONIGHT AND TUESDAY MORNING.

$$

TITUS



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