Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

271
FZUS63 KMQT 180852
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
352 AM EST SAT FEB 18 2017

.SYNOPSIS...A 29.1 INCH LOW PRESSURE OVER CENTRAL MANITOBA WILL
TRACK ACROSS NORTHERN QUEBEC BY THIS EVENING WHILE PUSHING A 29.5
INCH TROUGH OVER THE NORTHERN GREAT LAKES EARLY THIS MORNING. A
29.9 INCH RIDGE OVER MINNESOTA TONIGHT WILL BUILD TO 30.3 INCHES
OVER EASTERN LAKE SUPERIOR SUNDAY NIGHT AS A 30.4 INCH HIGH
PRESSURE BUILDS 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. A 29.5 INCH TROUGH QUICKLY MOVES ACROSS THE
UPPER GREAT LAKES ON WEDNESDAY.

LSZ162-181700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
352 AM EST SAT FEB 18 2017 /252 AM CST SAT FEB 18 2017/

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

$$

LSZ263-181700-
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-
352 AM EST SAT FEB 18 2017

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

$$

LSZ264-181700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
352 AM EST SAT FEB 18 2017

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 4 TO
8 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTH
AFTER MIDNIGHT. RAIN SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.

$$

LSZ265-181700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
352 AM EST SAT FEB 18 2017

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

$$

LSZ266-181700-
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-
352 AM EST SAT FEB 18 2017

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 6 TO
9 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 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 BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTH
AFTER MIDNIGHT. RAIN SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 4 TO 7 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.

$$

LSZ267-181700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
352 AM EST SAT FEB 18 2017

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 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 IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS. RAIN SHOWERS.
WAVES 3 TO 6 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.

$$

LSZ261-181700-
MAFOR 1810/
SUPERIOR WEST 14630 11630 12620 11610. WAVES 3 TO 6 FEET TODAY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 14640 11640 12630 11720. WAVES 5 TO 8 FEET
TODAY. WAVES 3 TO 7 FEET.

SUPERIOR SOUTH CENTRAL 13640 13630 12620. WAVES 2 TO 4 FEET
BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO 3 TO 6 FEET TODAY.
WAVES 1 TO 4 FEET TONIGHT.

SUPERIOR EAST 13640 13630 12730. WAVES 2 TO 3 FEET BUILDING TO 6
TO 9 FEET TODAY. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET
TONIGHT.

$$

TITUS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.