Great Lakes Forecast
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FZUS63 KMQT 190803
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
403 AM EDT SUN OCT 19 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE FROM MISSOURI TO LAKE SUPERIOR
WILL MOVE TO THE OHIO VALLEY THIS AFTERNOON AS 29.7 INCH LOW PRESSURE
ACROSS MANITOBA DROPS SOUTHEAST TO THE MINNESOTA ARROWHEAD. THE LOW
WILL REACH NEAR SAULT STE MARIE ON MONDAY MORNING THEN MOVE TO THE
LOWER GREAT LAKES BY TUESDAY MORNING. EXPECT 30.1 INCH HIGH PRESSURE
ACROSS MANITOBA ON MONDAY MORNING TO BUILD ACROSS ONTARIO AND LAKE
SUPERIOR AT 30.3 INCHES MONDAY NIGHT INTO TUESDAY. THE HIGH PRESSURE
SYSTEM WILL SLIDE INTO QUEBEC AT 30.5 INCHES TUESDAY NIGHT AND
WEDNESDAY...WHILE KEEPING A RIDGE AVERAGING 30.3 INCHES ACROSS LAKE
SUPERIOR. EXPECT THIS RIDGE TO SLOWLY WEAKEN ON THURSDAY WHILE A LOW
PRESSURE TROUGH OF 29.7 INCHES FROM MANITOBA THROUGH HUDSON BAY
SLOWLY DROPS SOUTH TOWARD THE LAKE SUPERIOR REGION.

LSZ162-191615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
403 AM EDT SUN OCT 19 2014 /303 AM CDT SUN OCT 19 2014/

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED RAIN SHOWERS. WAVES BUILDING
TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES
CALM TO 2 FEET.

$$

LSZ263-191615-
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-
403 AM EDT SUN OCT 19 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. SCATTERED RAIN SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-191615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
403 AM EDT SUN OCT 19 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. SCATTERED RAIN SHOWERS
THROUGH EARLY AFTERNOON...THEN NUMEROUS RAIN SHOWERS BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS THROUGH EARLY AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-191615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
403 AM EDT SUN OCT 19 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY AFTERNOON...
THEN NUMEROUS RAIN SHOWERS BY MID AFTERNOON. WAVES BUILDING TO
1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH BY MID
AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES BUILDING TO
3 TO 5 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-191615-
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-
403 AM EDT SUN OCT 19 2014

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. NUMEROUS RAIN SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH BY MID
AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES BUILDING TO
3 TO 5 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES 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 BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-191615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
403 AM EDT SUN OCT 19 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. NUMEROUS RAIN SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
AFTER MIDNIGHT. SCATTERED RAIN SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
3 TO 6 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-191615-
MAFOR 1909/
SUPERIOR WEST 11520 11420 11520 12510 11600 11610 11710. SCATTERED
RAIN SHOWERS THIS AFTERNOON. WAVES 3 FEET OR LESS.

SUPERIOR NORTH CENTRAL 13420 11426 11416 11510 11610 11710. NUMEROUS
RAIN SHOWERS THIS AFTERNOON. SCATTERED RAIN SHOWERS THIS EVENING.
WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 13420 12426 11420 11610 11710. NUMEROUS RAIN
SHOWERS THIS AFTERNOON. SCATTERED RAIN SHOWERS THIS EVENING. WAVES 4
FEET OR LESS.

SUPERIOR EAST 11510 12420 11430 11436 11430 11510 11610. SCATTERED
RAIN SHOWERS THIS AFTERNOON. NUMEROUS RAIN SHOWERS IN THE EVENING
THEN ISOLATED RAIN SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS BUILDING
TO 2 TO 6 FEET THIS AFTERNOON AND TONIGHT.

$$

JLA






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