Issued by NWS
000 FZUS63 KMQT 081354 GLFLS OPEN LAKE FORECAST FOR LAKE SUPERIOR NATIONAL WEATHER SERVICE MARQUETTE MI 954 AM EDT WED OCT 8 2008 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR .SYNOPSIS...A 29.7 INCH TROUGH OF LOW PRESSURE OVER CENTRAL LAKE SUPERIOR WILL WORK ITS WAY ACROSS EASTERN LAKE SUPERIOR THIS AFTERNOON. A LOW PRESSURE SYSTEM WILL DEEPEN TO 29.3 INCHES OVER HUDSON BAY BY THURSDAY WHILE A 30.1 INCH HIGH PRESSURE RIDGE MOVES THROUGH THE CENTRAL PLAINS. THIS RIDGE WILL BUILD INTO THE GREAT LAKES REGION ON FRIDAY. A WEAK TROUGH AVERAGING 30.0 INCHES WILL SLIDE ACROSS LAKE SUPERIOR ON SATURDAY AND SATURDAY NIGHT. A 30.5 INCH HIGH WILL TRACK ACROSS NORTHERN ONTARIO ON SUNDAY AND MONDAY...AS THE TROUGH REMAINS ANCHORED OVER LAKE SUPERIOR. LSZ162-082030- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM- 954 AM EDT WED OCT 8 2008 /854 AM CDT WED OCT 8 2008/ .REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS BY LATE MORNING...THEN BACKING SOUTHWEST LATE. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET. .TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. WAVES BUILDING TO 4 TO 7 FEET. .THURSDAY...WEST WINDS 15 TO 25 KNOTS. A FEW GALE FORCE GUSTS TO 35 KNOTS IN THE EARLY AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET. .THURSDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING EAST 15 TO 25 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET. .FRIDAY NIGHT...EAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7 FEET. .SATURDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET. .SUNDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET. $$ LSZ263-082030- LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE ROYALE NATIONAL PARK- 954 AM EDT WED OCT 8 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .REST OF TODAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS BY LATE MORNING. ISOLATED SHOWERS THROUGH LATE MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET. .TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST WINDS TO 30 KNOTS BY MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS WITH FREQUENT GALE FORCE GUSTS TO 35 KNOTS. WAVES BUILDING TO 9 TO 12 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 6 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET. .FRIDAY NIGHT...EAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7 FEET. .SATURDAY...EAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET. .SUNDAY...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET. $$ LSZ264-082030- LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 954 AM EDT WED OCT 8 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING WEST BY MID AFTERNOON. SCATTERED SHOWERS LATE IN THE MORNING...THEN ISOLATED SHOWERS BY LATE MORNING. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET. .TONIGHT...WEST WINDS 15 TO 25 KNOTS. A FEW GALE FORCE GUSTS TO 35 KNOTS LATE. WAVES BUILDING TO 5 TO 8 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS WITH FREQUENT GALE FORCE GUSTS TO 40 KNOTS. WAVES BUILDING TO 9 TO 12 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS WITH FREQUENT GALE FORCE GUSTS TO 35 KNOTS THROUGH EARLY EVENING...THEN DIMINISHING TO 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET. .FRIDAY NIGHT...EAST WINDS 15 TO 25 KNOTS VEERING SOUTHEAST. A SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET. .SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST. A SLIGHT CHANCE OF SHOWERS. WAVES 2 TO 4 FEET. .SUNDAY...EAST WINDS 15 TO 25 KNOTS VEERING SOUTHEAST. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 6 FEET. $$ LSZ265-082030- LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE- 954 AM EDT WED OCT 8 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH BY LATE MORNING...THEN BECOMING WEST 10 TO 20 KNOTS BY EARLY AFTERNOON. SCATTERED SHOWERS BECOMING ISOLATED BY LATE MORNING. WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET. .TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 30 KNOTS. WAVES BUILDING TO 4 TO 6 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS WITH FREQUENT GALE FORCE GUSTS TO 35 KNOTS. WAVES BUILDING TO 5 TO 8 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. FREQUENT GALE FORCE GUSTS TO 35 KNOTS EARLY EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET. .FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST. WAVES SUBSIDING TO 1 TO 3 FEET. .FRIDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO 4 FEET. .SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET. .SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET. $$ LSZ266-267-082030- 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- 954 AM EDT WED OCT 8 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY EARLY AFTERNOON...AND INCREASING TO 10 TO 20 KNOTS LATE. SCATTERED SHOWERS BECOMING ISOLATED SHOWERS BY MID AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO CALM TO 2 FEET. .TONIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS WITH FREQUENT GALE FORCE GUSTS TO 35 KNOTS. WAVES BUILDING TO 9 TO 12 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. FREQUENT GALE FORCE GUSTS TO 35 KNOTS IN THE EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 6 TO 9 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING EAST. WAVES SUBSIDING TO 1 TO 3 FEET. .FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET. .SATURDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES 2 TO 4 FEET. .SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 6 FEET. $$ LSZ261-082030- MAFOR 0815/ SUPERIOR WEST 12620 11520 11530 14640. WAVES 1 TO 3 FEET THIS AFTERNOON...BUILDING TO 5 TO 9 FEET TONIGHT THROUGH THURSDAY MORNING. 220103. SUPERIOR NORTH CENTRAL 11420 11510 12620 14640. ISOLATED SHOWERS THIS AFTERNOON. WAVES 1 TO 5 FEET THROUGH EARLY EVENING. WAVES 5 TO 10 FEET LATE TONIGHT THROUGH THURSDAY MORNING. 210305 210204. SUPERIOR SOUTH CENTRAL 11410 11620 13630 13640. ISOLATED SHOWERS LATE THIS MORNING. WAVES 1 TO 6 FEET THIS AFTERNOON AND TONIGHT. WAVES 5 TO 7 FEET THURSDAY MORNING. 220103. SUPERIOR EAST 11320 11500 13630 11540 12640. SCATTERED SHOWERS LATE THIS MORNING THEN ISOLATED SHOWERS THIS AFTERNOON. WAVES 3 TO 5 FEET DECREASING TO 2 FEET OR LESS THIS AFTERNOON THROUGH EARLY EVENING. WAVES 4 TO 6 FEET LATE TONIGHT. WAVES 5 TO 10 FEET THURSDAY MORNING. 210305 210103. $$ KF