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
000
FZUS63 KMQT 140755
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
355 AM EDT MON APR 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE SYSTEM OVER FAR NORTHWEST
ILLINOIS THIS EVENING WILL TRACK ALONG A 29.6 INCH TROUGH ACROSS
WISCONSIN AND LOWER MICHIGAN THROUGH MONDAY...REACHING SOUTHERN
QUEBEC AT 29.3 INCHES BY MONDAY AFTERNOON. MEANWHILE...30.5 INCH HIGH
PRESSURE WILL BUILD ACROSS SOUTH CENTRAL CANADA. A 30.1 INCH RIDGE
EXTENDING FROM THE HIGH WILL DRIFT ACROSS THE UPPER MISSISSIPPI
VALLEY TUESDAY AND THE GREAT LAKES REGION TUESDAY NIGHT. 29.6 INCH
LOW PRESSURE OVER THE CENTRAL PLAINS WEDNESDAY MORNING WILL EXTEND A
30.1 INCH TROUGH ACROSS LAKE SUPERIOR WEDNESDAY NIGHT THROUGH FRIDAY.
MEANWHILE...A 30.6 INCH HIGH PRESSURE WILL BUILD ACROSS NORTHERN
ONTARIO.

LSZ162-141600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
355 AM EDT MON APR 14 2014 /255 AM CDT MON APR 14 2014/

.EARLY THIS MORNING...NORTH WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. SNOW LIKELY. WAVES BUILDING TO 2 TO
4 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ263-141600-
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-
355 AM EDT MON APR 14 2014

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE
OF SNOW. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW BY
MID AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY BY MID AFTERNOON. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. SNOW LIKELY
THROUGH MIDNIGHT...THEN A CHANCE OF SNOW AFTER MIDNIGHT. WAVES
2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ264-141600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
355 AM EDT MON APR 14 2014

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...NORTH GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. A SLIGHT CHANCE OF SNOW. WAVES 4 TO 8 FEET.
.TODAY...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO 30 KNOTS BY
MID AFTERNOON. FREEZING SPRAY THROUGH EARLY AFTERNOON. A SLIGHT
CHANCE OF SNOW THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 3 TO 5
FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. SNOW LIKELY BY MID AFTERNOON. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. SNOW LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ265-141600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
355 AM EDT MON APR 14 2014

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...NORTH GALES TO 35 KNOTS. A CHANCE OF SNOW.
.TODAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS BY
MID AFTERNOON. A SLIGHT CHANCE OF SNOW.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY BY MID AFTERNOON.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. SNOW LIKELY.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-267-141600-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
355 AM EDT MON APR 14 2014

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.EARLY THIS MORNING...NORTH GALES TO 35 KNOTS. SNOW.
.TODAY...NORTH GALES TO 35 KNOTS. A CHANCE OF SNOW.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. SNOW LIKELY BY MID AFTERNOON.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. SNOW LIKELY.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A CHANCE
OF RAIN. A CHANCE OF SNOW.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ261-141600-
MAFOR 1409/
SUPERIOR WEST 14830 12720 11820 11810. SLIGHT CHANCE OF SNOW SHOWERS
OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TODAY. WAVES
1 TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...
12840 11850 12840 12830 11820. SLIGHT CHANCE OF SNOW THIS MORNING.
WAVES 5 TO 8 FEET TODAY SUBSIDING TO 1 TO 3 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...
12840 11850 13840 12830. CHANCE OF SNOW TODAY. SLIGHT CHANCE OF SNOW
TONIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST...GALE WARNING IN EFFECT...
12847 12850 12840 11830 11820. SNOW LIKELY THIS MORNING THEN CHANCE
OF SNOW THIS AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS TONIGHT. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

JLB





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