Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
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
292
FZUS63 KMQT 182058
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
358 PM EST SAT FEB 18 2017

.SYNOPSIS...A 29.3 INCH LOW PRESSURE SOUTHEAST OF JAMES BAY WILL
MOVE EASTWARD THIS EVENING. A 29.9 INCH RIDGE STRETCHING FROM
NORTH DAKOTA TO THE MID MISSISSIPPI VALLEY THIS AFTERNOON WILL
CROSS THE UPPER GREAT LAKES ON SUNDAY AS A 30.4 INCH HIGH
PRESSURE BUILDS OVER JAMES BAY. THE HIGH PRESSURE WILL MOVE OVER
QUEBEC MONDAY NIGHT. A 29.4 INCH LOW PRESSURE OVER SOUTHERN
MANITOBA MONDAY NIGHT WILL DEEPEN TO 29.1 INCHES OVER HUDSON BAY
TUESDAY MORNING WHILE DRAGGING A 29.6 INCH TROUGH OVER LAKE
SUPERIOR. THE LOW WILL DRIFT EASTWARD THROUGH WEDNESDAY MORNING
AHEAD OF 29.5 INCH LOW PRESSURE QUICKLY TRACKING EASTWARD ACROSS
UPPER MICHIGAN ON WEDNESDAY. A 29.4 INCH LOW OVER THE CENTRAL
PLAINS ON THURSDAY WILL THEN EDGE A 29.8 INCH TROUGH INTO THE
UPPER GREAT LAKES.

LSZ162-190500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
358 PM EST SAT FEB 18 2017 /258 PM CST SAT FEB 18 2017/

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 3 TO
5 FEET 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...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...EAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN IN
THE MORNING...THEN RAIN IN THE AFTERNOON. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. RAIN IN THE EVENING...THEN A CHANCE OF RAIN AFTER
MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
BUILDING TO 3 TO 6 FEET.

$$

LSZ263-190500-
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-
358 PM EST SAT FEB 18 2017

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

$$

LSZ264-190500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
358 PM EST SAT FEB 18 2017

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. WAVES 4 TO
8 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 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 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN IN THE
AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS IN EVENING.
RAIN. WAVES SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS. WAVES SUBSIDING TO 2 TO
4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.

$$

LSZ265-190500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
358 PM EST SAT FEB 18 2017

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

$$

LSZ266-190500-
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-
358 PM EST SAT FEB 18 2017

.LATE THIS AFTERNOON...WEST WINDS 20 TO 30 KNOTS. WAVES 5 TO 8
FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS IN EVENING. RAIN.
WAVES SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN IN THE
MORNING. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. A
CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS...POSSIBLY MIXED WITH RAIN.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ267-190500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
358 PM EST SAT FEB 18 2017

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. WAVES 4 TO
7 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING. WAVES
SUBSIDING TO 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. A FEW GALE FORCE
GUSTS TO 35 KNOTS IN EVENING. RAIN. WAVES BUILDING TO 4 TO 7
FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. RAIN LIKELY IN THE MORNING.
WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS...POSSIBLY MIXED WITH
RAIN. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ261-190500-
MAFOR 1822/
SUPERIOR WEST 13620 11610 11710 11800 11100 11210. WAVES 1 TO 5
FEET.

SUPERIOR NORTH CENTRAL 11640 12630 12730 11720 11710 11800. WAVES
3 TO 7 FEET TONIGHT SUBSIDING TO 1 TO 3 FEET SUNDAY.

SUPERIOR SOUTH CENTRAL 14630 11730 11720 12710. WAVES 1 TO 5 FEET.

SUPERIOR EAST 12630 14730 11720 11710. WAVES 4 TO 7 FEET TONIGHT
SUBSIDING TO 2 TO 3 FEET SUNDAY.

$$

KLUBER



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