Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 300156
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
956 PM EDT MON SEP 29 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.9 INCHES OVER SOUTHEASTERN LAKE HURON
WILL MOVE TO THE LOWER GREAT LAKES BY LATE TONIGHT. IN ITS
WAKE...HIGH PRESSURE OF 30.5 INCHES CENTERED OVER NORTHERN ONTARIO
AND JAMES BAY WILL WEAKEN TO 30.1 INCHES AS IT SLOWLY DRIFTS
EASTWARD WHILE PASSING A 30.0 INCH RIDGE ACROSS LAKE SUPERIOR THROUGH
TUESDAY. THE HIGH WILL THEN SHIFT TO THE CANADIAN MARITIMES BY
WEDNESDAY EVENING AS LOW PRESSURE OF 29.4 INCHES LIFTS FROM SOUTH
DAKOTA INTO MANITOBA. A 29.7 INCH TROUGH ASSOCIATED WITH THE LOW WILL
MOVE EAST...CROSSING LAKE SUPERIOR THURSDAY. ANOTHER 29.4 INCH LOW
WILL FORM ALONG THIS TROUGH AS IT MOVES ACROSS THE REST OF NORTHERN
ONTARIO FRIDAY. THE TROUGH WILL SETTLE ALONG THE ONTARIO AND QUEBEC
BORDER FOR SATURDAY AS 30.1 INCH HIGH PRESSURE DRIFTS SOUTHEASTWARD
ACROSS THE PLAINS STATES.

LSZ162-301000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
956 PM EDT MON SEP 29 2014 /856 PM CDT MON SEP 29 2014/

.REST OF TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ263-301000-
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-
956 PM EDT MON SEP 29 2014

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF DRIZZLE THROUGH MIDNIGHT.
WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES 1 TO
3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO 30
KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS.
WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ264-301000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
956 PM EDT MON SEP 29 2014

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. AREAS OF DRIZZLE THROUGH MIDNIGHT.
WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ265-301000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
956 PM EDT MON SEP 29 2014

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. AREAS OF DRIZZLE...DIMINISHING AFTER
MIDNIGHT. WAVES 6 TO 9 FEET SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 5 TO
8 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ266-301000-
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-
956 PM EDT MON SEP 29 2014

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. AREAS OF
DRIZZLE...DIMINISHING OVERNIGHT. WAVES 6 TO 9 FEET SUBSIDING TO 3 TO
6 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.

$$

LSZ267-301000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
956 PM EDT MON SEP 29 2014

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. AREAS OF
DRIZZLE...DIMINISHING OVERNIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO
5 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. SHOWERS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 6 TO
9 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.

$$
LSZ261-301000-
MAFOR 3003/
SUPERIOR WEST 12120 11110 13210 12220. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL 11125 11120 14110 12210. AREAS OF DRIZZLE
OVERNIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET OVERNIGHT.
WAVES 1 TO 4 FEET TUESDAY AND TUESDAY EVENING.

SUPERIOR SOUTH CENTRAL 11135 13120 12110 12210. AREAS OF DRIZZLE
OVERNIGHT. WAVES 5 TO 8 FEET OVERNIGHT SUBSIDING TO 2 TO 4 FEET
BY TUESDAY EVENING.

SUPERIOR EAST 11135 11130 13120 12110 11100. AREAS OF DRIZZLE
OVERNIGHT. WAVES 4 TO 7 FEET OVERNIGHT SUBSIDING TO 1 TO 2 FEET
BY TUESDAY EVENING.

$$

SRF







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