Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 260749
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
349 AM EDT MON SEP 26 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.5 INCH LOW PRESSURE OVER NORTHERN ONTARIO WILL MOVE TO
NORTH OF LAKE SUPERIOR BY THIS EVENING WHILE DEEPENING TO 29.4
INCHES. THIS LOW WILL MOVE INTO NORTHERN LAKE SUPERIOR BY TUESDAY
MORNING AND TO EASTERN LAKE SUPERIOR BY TUESDAY EVENING WHILE
WEAKENING TO 29.6 INCHES. THE LOW WILL THEN WEAKEN TO 29.9 INCHES
THROUGH WEDNESDAY AFTERNOON AS IT MOVES SOUTHWARD ACROSS LAKE
MICHIGAN. HIGH PRESSURE OF 30.4 INCHES WILL SETTLE ACROSS THE UPPER
MISSISSIPPI VALLEY AND UPPER GREAT LAKES FOR THURSDAY AND FRIDAY.

LSZ162-261600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
349 AM EDT MON SEP 26 2016 /249 AM CDT MON SEP 26 2016/

...GALE WARNING IN EFFECT FROM 8 AM EDT /7 AM CDT/ THIS MORNING
THROUGH TUESDAY MORNING...

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. SCATTERED
SHOWERS. WAVES 3 TO 6 FEET.
.TODAY...WEST GALES TO 35 KNOTS. NUMEROUS SHOWERS. WAVES BUILDING
TO 4 TO 7 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. NUMEROUS SHOWERS THROUGH MIDNIGHT...THEN SCATTERED
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET.
.TUESDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS BY MID AFTERNOON. WAVES SUBSIDING TO 3 TO
6 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-261600-
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-
349 AM EDT MON SEP 26 2016

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
TUESDAY MORNING...

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. SCATTERED
SHOWERS. WAVES 4 TO 7 FEET.
.TODAY...WEST GALES TO 35 KNOTS. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. WAVES BUILDING TO 7 TO 10 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. PERIODS OF SHOWERS. WAVES SUBSIDING TO 6 TO 9 FEET.
.TUESDAY...NORTHWEST GALES TO 35 KNOTS EARLY DIMINISHING TO 30 KNOTS
AND VEERING NORTH BY MID AFTERNOON. SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ264-261600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
349 AM EDT MON SEP 26 2016

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. SCATTERED
SHOWERS. WAVES 4 TO 7 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS BY MID AFTERNOON. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. WAVES BUILDING TO 6 TO 9 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. PERIODS OF SHOWERS AND ISOLATED
THUNDERSTORMS. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO
5 TO 8 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH BY MID
AFTERNOON. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS. A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ265-261600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
349 AM EDT MON SEP 26 2016

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. ISOLATED
SHOWERS. WAVES 3 TO 5 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS THROUGH EARLY
AFTERNOON...THEN NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS BY
MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. ISOLATED THUNDERSTORMS THROUGH MIDNIGHT. PERIODS
OF SHOWERS. WAVES BUILDING TO 4 TO 8 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF WATERSPOUTS BY MID AFTERNOON. WAVES BUILDING TO 5 TO
8 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF WATERSPOUTS THROUGH MIDNIGHT.
SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-261600-
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-
349 AM EDT MON SEP 26 2016

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. ISOLATED
SHOWERS. WAVES 3 TO 6 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS THROUGH EARLY
AFTERNOON...THEN NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS BY
MID AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS.
WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTH 15 TO
25 KNOTS BY MID AFTERNOON. SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF WATERSPOUTS BY MID AFTERNOON.
WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING EAST
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF WATERSPOUTS
THROUGH MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ267-261600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
349 AM EDT MON SEP 26 2016

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS. SCATTERED
SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS THROUGH EARLY
AFTERNOON...THEN NUMEROUS SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 5 TO 8 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO
35 KNOTS IN THE EVENING. PERIODS OF SHOWERS. ISOLATED THUNDERSTORMS
AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5
TO 8 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF WATERSPOUTS BY MID AFTERNOON.
WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.TUESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
WATERSPOUTS THROUGH MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES CALM
TO 2 FEET.

$$

LSZ261-261600-
MAFOR 2609/
SUPERIOR WEST...GALE WARNING IN EFFECT...11640 14656 11656 12756.
SCATTERED SHOWERS EARLY THIS MORNING. WAVES 5 TO 8 FEET.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...12540 11546
13656 12746. SCATTERED SHOWERS THIS MORNING...THEN SCATTERED
SHOWERS WITH ISOLATED THUNDERSTORMS LATE THIS MORNING. ISOLATED
THUNDERSTORMS THIS AFTERNOON AND TONIGHT. WAVES 5 TO 8 FEET TODAY.
WAVES 6 TO 9 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11530 12540
14656 11646. SCATTERED SHOWERS LATE THIS MORNING. ISOLATED
THUNDERSTORMS THROUGH THE EARLY OVERNIGHT. WAVES 3 TO 6 FEET
TODAY. WAVES 5 TO 9 FEET TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...11520 11530 11540 11546
12556 12646. SCATTERED SHOWERS THIS MORNING. ISOLATED
THUNDERSTORMS TONIGHT. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET
TODAY. WAVES 5 TO 9 FEET BUILDING TO 6 TO 10 FEET TONIGHT.

$$

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