Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 190807
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
407 AM EDT SAT APR 19 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...AS 30.5 INCH HIGH PRESSURE OVER JAMES BAY MOVES INTO
QUEBEC THROUGH TONIGHT...LOW PRESSURE OF 29.6 INCHES OVER SOUTHERN
SASKATCHEWAN WILL SLIDE OVER SOUTHERN MANITOBA THIS AFTERNOON AND
MOVE TOWARD NORTHERN ONTARIO LATE TONIGHT. AS THIS LOW REACHES JAMES
BAY BY LATE SUNDAY...A LOW PRESSURE TROUGH OF 30.0 INCHES WILL CROSS
THE UPPER GREAT LAKES. A 30.1 INCH HIGH PRESSURE RIDGE WILL QUICKLY
MOVE ACROSS LAKE SUPERIOR SUNDAY NIGHT INTO EARLY MONDAY...AHEAD OF
THE NEXT QUICK MOVING 29.8 INCH LOW PRESSURE SYSTEM SINKING ACROSS
THE GREAT LAKES REGION FROM THE NORTHWEST MONDAY AFTERNOON INTO
MONDAY NIGHT. EXPECT A 30.2 INCH HIGH PRESSURE RIDGE OVER CENTRAL
CANADA AND THE NORTHERN PLAINS TUESDAY MORNING TO DRIFT TOWARD THE
UPPER GREAT LAKES ON TUESDAY AFTERNOON AND SETTLE OVER THE AREA ON
WEDNESDAY.

LSZ162-191615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
407 AM EDT SAT APR 19 2014 /307 AM CDT SAT APR 19 2014/

.EARLY THIS MORNING...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF
RAIN...POSSIBLY MIXED WITH FREEZING RAIN AND SNOW. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. RAIN LIKELY...POSSIBLY MIXED
WITH FREEZING RAIN OR SNOW IN THE MORNING. WAVES BUILDING TO 3 TO 5
FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.MONDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET.

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

$$

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-
407 AM EDT SAT APR 19 2014

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF RAIN...FREEZING RAIN AND SNOW. WAVES CALM TO 2 FEET
BUILDING TO 1 TO 3 FEET.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. RAIN LIKELY. A SLIGHT CHANCE OF FREEZING
RAIN AND SNOW IN THE MORNING. PATCHY FOG BY MID AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
BUILDING TO 1 TO 3 FEET.

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

$$

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

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF FREEZING RAIN AND SNOW. WAVES CALM TO 2 FEET.
.TODAY...SOUTHEAST WINDS 15 TO 25 KNOTS. RAIN. A SLIGHT CHANCE OF
FREEZING RAIN AND SNOW THROUGH EARLY AFTERNOON. PATCHY FOG BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO
3 FEET.

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

$$

LSZ265-191615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
407 AM EDT SAT APR 19 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN...FREEZING RAIN AND
SNOW IN THE MORNING. RAIN IN THE AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. RAIN THROUGH
MIDNIGHT. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF RAIN.

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

$$

LSZ266-267-191615-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
407 AM EDT SAT APR 19 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF FREEZING RAIN AND
SNOW IN THE MORNING. A CHANCE OF RAIN IN THE AFTERNOON.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS. RAIN THROUGH MIDNIGHT...
THEN A CHANCE OF RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT
CHANCE OF RAIN THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS VEERING EAST AFTER
MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS.

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

$$

LSZ261-191615-
MAFOR 1909/
SUPERIOR WEST 11320 13336 11316 11310 11410 11500. PATCHY FOG THIS
AFTERNOON AND TONIGHT. SLIGHT CHANCE OF RAIN...FREEZING RAIN...AND
SNOW EARLY THIS MORNING. CHANCE OF RAIN TONIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET TODAY. WAVES 2 FEET OR LESS TONIGHT.

SUPERIOR NORTH CENTRAL 11310 11320 11336 13346 11440 11430. PATCHY
FOG THIS AFTERNOON AND TONIGHT. CHANCE OF FREEZING RAIN AND SNOW THIS
MORNING. PATCHY FOG. CHANCE OF RAIN OVERNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET TODAY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3
FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11310 11320 11330 12346 12436 11430. SLIGHT
CHANCE OF RAIN AND FREEZING RAIN THIS MORNING. A CHANCE OF RAIN
OVERNIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11210 11310 11320 12330 12336 11436. CHANCE OF RAIN
THIS AFTERNOON. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

JLA








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