Great Lakes Forecast
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000
FZUS63 KMQT 291354
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
954 AM EDT FRI AUG 29 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE CENTERED OVER NEW YORK WILL
MOVE OVER NEW ENGLAND THIS AFTERNOON. A 29.8 INCH LOW OVER THE
CENTRAL PLAINS WILL SLOWLY LIFT TO THE NORTHEAST...REACHING NORTHERN
LAKE MICHIGAN SATURDAY EVENING AND SOUTHERN QUEBEC ON SUNDAY. A 29.9
INCH RIDGE STRETCHING SOUTHWEST FROM A 30.0 INCH HIGH NEAR JAMES BAY
WILL BRIEFLY BUILD ACROSS LAKE SUPERIOR SATURDAY NIGHT INTO SUNDAY.
ALSO ON SUNDAY...AN ELONGATED TROUGH OF 29.5 INCHES STRETCHING FROM
NORTHERN SASKATCHEWAN THROUGH THE DAKOTAS WILL START TO LIFT TO THE
NORTHEAST. THE NORTHERN EDGE OF THE TROUGH WILL STRENGTHEN TO 29.1
INCHES BY MONDAY AS IT MOVES NEAR THE SOUTHWEST SIDE OF HUDSON BAY.
AT THE SAME TIME...A 29.6 INCH TROUGH WILL SLIDE EAST ACROSS THE
UPPER GREAT LAKES REGION. BEHIND THE TROUGH ON TUESDAY...THE UPPER
GREAT LAKES REGION WILL BE BETWEEN THE STRONG 29.0 INCH LOW OVER
HUDSON BAY AND A 30.0 INCH HIGH OVER THE SOUTHEAST UNITED STATES.

LSZ162-292200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
954 AM EDT FRI AUG 29 2014 /854 AM CDT FRI AUG 29 2014/

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS
THAN 10 KNOTS BY MID AFTERNOON. NUMEROUS SHOWERS BECOMING ISOLATED
BY MID AFTERNOON. ISOLATED THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS BACKING NORTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
EARLY AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-292200-
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-
954 AM EDT FRI AUG 29 2014

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY
MID AFTERNOON. NUMEROUS SHOWERS BECOMING SCATTERED SHOWERS BY MID
AFTERNOON. ISOLATED THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BECOMING
NORTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM
TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-292200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
954 AM EDT FRI AUG 29 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. NUMEROUS SHOWERS. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY. WAVES SUBSIDING TO
1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.

$$

LSZ265-292200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
954 AM EDT FRI AUG 29 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. NUMEROUS SHOWERS BECOMING SCATTERED
WITH ISOLATED THUNDERSTORMS BY MID AFTERNOON. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. SHOWERS
THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. AREAS OF FOG. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-292200-
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-
954 AM EDT FRI AUG 29 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS. NUMEROUS SHOWERS
BECOMING SCATTERED WITH ISOLATED THUNDERSTORMS BY MID AFTERNOON.
PATCHY FOG BY MID AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. AREAS OF FOG. SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. SHOWERS THROUGH EARLY
AFTERNOON. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. AREAS OF FOG. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY. WAVES BUILDING TO
3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ267-292200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
954 AM EDT FRI AUG 29 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS BY MID AFTERNOON. NUMEROUS SHOWERS BECOMING SCATTERED
WITH ISOLATED THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS
THROUGH MIDNIGHT. A CHANCE OF THUNDERSTORMS. SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$
LSZ261-292200-
MAFOR 2915/
SUPERIOR WEST 11316 11200 13100 12800 11810. RAIN SHOWERS WITH
ISOLATED THUNDERSTORMS THIS AFTERNOON. PATCHY FOG OVERNIGHT AND
SATURDAY. SCATTERED RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
TONIGHT AND SATURDAY MORNING. WAVES CALM TO 2 FEET.

SUPERIOR NORTH CENTRAL 12326 11320 11300 11806 12800 11816.
SCATTERED RAIN SHOWERS LATE THIS MORNING THEN NUMEROUS RAIN SHOWERS
THIS AFTERNOON. AREAS OF FOG TONIGHT AND SATURDAY. CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS TONIGHT. RAIN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS SATURDAY MORNING. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 11326 12320 12416 11606 11816 11116.
SCATTERED RAIN SHOWERS LATE THIS MORNING THEN NUMEROUS RAIN SHOWERS
WITH ISOLATED THUNDERSTORMS THIS AFTERNOON. PATCHY FOG OVERNIGHT AND
SATURDAY MORNING. RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS
TONIGHT AND SATURDAY MORNING. WAVES CALM TO 3 FEET.

SUPERIOR EAST 12326 11320 11420 11426 12516 11816. SCATTERED RAIN
SHOWERS LATE THIS MORNING THEN NUMEROUS RAIN SHOWERS THIS AFTERNOON.
AREAS OF FOG. SCATTERED RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS. RAIN SHOWERS OVERNIGHT. RAIN SHOWERS WITH A CHANCE OF
THUNDERSTORMS SATURDAY MORNING. WAVES CALM TO 4 FEET.

$$

PETRO





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