Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 170857
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
357 AM EST FRI FEB 17 2017

.SYNOPSIS...A 29.9 INCH RIDGE FROM ONTARIO TO THE CAROLINAS WILL
MOVE OVER QUEBEC AND NEW YORK BY THIS AFTERNOON. A 29.1 INCH LOW
PRESSURE OVER MANITOBA THIS AFTERNOON WILL MOVE OVER QUEBEC
THROUGH SATURDAY EVENING...WHILE DRAGGING A 29.5 INCH TROUGH OVER
THE NORTHERN GREAT LAKES TONIGHT INTO SATURDAY MORNING. A 29.9
INCH RIDGE OVER MINNESOTA SATURDAY NIGHT WILL BUILD TO 30.3 INCHES
OVER EASTERN LAKE SUPERIOR SUNDAY NIGHT AS A 30.4 INCH HIGH
PRESSURE MOVES OVER JAMES BAY. AS THE HIGH PRESSURE MOVES OVER
QUEBEC MONDAY NIGHT...A 29.6 INCH TROUGH WILL MOVE OVER NORTHERN
MINNESOTA. THE TROUGH WILL DISSIPATE OVER THE NORTHERN GREAT LAKES
THROUGH TUESDAY.

LSZ162-171700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
357 AM EST FRI FEB 17 2017 /257 AM CST FRI FEB 17 2017/

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. RAIN SHOWERS...
THEN A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-171700-
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-
357 AM EST FRI FEB 17 2017

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH. A CHANCE
OF RAIN SHOWERS...THEN RAIN SHOWERS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ264-171700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
357 AM EST FRI FEB 17 2017

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 20 TO 30 KNOTS
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 4 TO
8 FEET.
.SATURDAY NIGHT...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTH. A CHANCE
OF RAIN SHOWERS...THEN RAIN SHOWERS. WAVES BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.

$$

LSZ265-171700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
357 AM EST FRI FEB 17 2017

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO 25 KNOTS
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO 15 KNOTS
IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH. RAIN
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-171700-
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-
357 AM EST FRI FEB 17 2017

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. WAVES 3 TO
5 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 5 TO
8 FEET.
.SATURDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTH. RAIN
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ267-171700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
357 AM EST FRI FEB 17 2017

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 4 TO 7
FEET.
.SATURDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. RAIN SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-171700-
MAFOR 1710/
SUPERIOR WEST 12410 12510 11500 11510 11530 11630. WAVES 2 FEET
OR LESS TODAY. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET
TONIGHT.

SUPERIOR NORTH CENTRAL 12420 12410 12400 11410 11530. WAVES 1 TO
4 FEET.

SUPERIOR SOUTH CENTRAL 13420 14410 11530. WAVES 1 TO 4
FEET.

SUPERIOR EAST 13430 12420 12410 11520. WAVES 2 TO 4 FEET.

$$

TITUS



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