Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 270804
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
404 AM EDT WED MAY 27 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH TROUGH WILL REMAIN OVER LAKE SUPERIOR
THROUGH TODAY. A 29.5 INCH LOW WILL MOVE ALONG THIS
TROUGH...CROSSING EASTERN LAKE SUPERIOR THIS MORNING. THE TROUGH
OVER LAKE SUPERIOR WILL WEAKEN TO 30.0 INCHES TONIGHT. A 29.8 INCH
TROUGH OF LOW PRESSURE WILL DEVELOP IN THE NORTHERN PLAINS THURSDAY
MORNING AND THEN CROSS LAKE SUPERIOR ON FRIDAY. A 30.4 INCH HIGH
PRESSURE WILL BUILD OVER THE UPPER GREAT LAKES ON SATURDAY AND REMAIN
OVER THE GREAT LAKES THROUGH SUNDAY.

LSZ162-271615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT. WAVES
CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-271615-
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-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG. RAIN SHOWERS LIKELY
THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A CHANCE OF
RAIN SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ264-271615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. AREAS OF FOG. RAIN SHOWERS LIKELY THROUGH EARLY
AFTERNOON. A CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN SHOWERS BY
MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-271615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. AREAS OF FOG. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ266-271615-
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-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. RAIN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. AREAS OF FOG. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY THROUGH MIDNIGHT.
WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ267-271615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
404 AM EDT WED MAY 27 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. RAIN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. RAIN
SHOWERS LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF RAIN SHOWERS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES CALM
TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH
AFTER MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO 20 KNOTS
BY MID AFTERNOON. AREAS OF FOG. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS THROUGH MIDNIGHT.
WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ261-271615-
MAFOR 2709/
SUPERIOR WEST 13513 11510 11600 11810 11210 11110. CHANCE OF RAIN
SHOWERS EARLY THIS MORNING. PATCHY FOG. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11703 12613 11610 11710 11810 12110.
PATCHY FOG. CHANCE OF RAIN SHOWERS THIS MORNING. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 11716 11710 11610 11600 11700 13800.
PATCHY FOG. CHANCE OF RAIN SHOWERS LATE THIS MORNING. WAVES 2 FEET
OR LESS.

SUPERIOR EAST 12716 11713 11710 11700 11703 11103 11110. PATCHY
FOG EARLY. CHANCE OF RAIN SHOWERS EARLY THIS AFTERNOON. WAVES 1 TO 2
FEET.

$$

TITUS



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