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

000
FZUS63 KMQT 211922
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
322 PM EDT MON JUL 21 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH HIGH PRESSURE RIDGE WILL LINGER ALONG THE
EAST COAST THROUGH TUESDAY. A LOW OF 29.6 INCHES WILL DEVELOP OVER
SOUTH DAKOTA AND TRACK EAST...PASSING ACROSS LAKE SUPERIOR ON TUESDAY.
IN ITS WAKE...HIGH PRESSURE OF 30.2 INCHES OVER LAKE WINNIPEG TUESDAY
NIGHT WILL BUILD SOUTHEAST AND SETTLE OVER THE UPPER GREAT LAKES
THURSDAY. THE HIGH WILL THEN WEAKEN TO 30.1 INCHES AS IT DRIFTS OVER
THE GREAT LAKES REGION FRIDAY INTO SATURDAY.

LSZ162-220330-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
322 PM EDT MON JUL 21 2014 /222 PM CDT MON JUL 21 2014/

.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. SHOWERS AND
THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY THROUGH
EARLY AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-264-220330-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
322 PM EDT MON JUL 21 2014

.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT...THEN THUNDERSTORMS
LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID AFTERNOON.
AREAS OF FOG. SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ265-220330-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
322 PM EDT MON JUL 21 2014

.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH MIDNIGHT. AREAS OF FOG. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ266-267-220330-
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-
322 PM EDT MON JUL 21 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY.
WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. AREAS OF FOG. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO 15
KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ261-220330-
MAFOR 2121/
SUPERIOR WEST 11300 11303 11313 11413 12319 11119 11829. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. AREAS OF FOG TUESDAY. WAVES 2
FEET OR LESS.

SUPERIOR NORTH CENTRAL 11410 11403 12413 11319 11329 11119 11819. A
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. AREAS OF FOG TUESDAY.
WAVES CALM TO 3 FEET.

SUPERIOR SOUTH CENTRAL 11300 11310 11410 12420 12429 11529. PATCHY FOG
TONIGHT. A CHANCE OF RAIN SHOWERS AND THUNDERSTORMS OVERNIGHT. AREAS
OF FOG TUESDAY. WAVES 2 FEET OR LESS.

SUPERIOR EAST 11400 12413 13423 12429. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE THIS AFTERNOON. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. AREAS OF FOG TUESDAY. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET.

$$

07





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