Issued by NWS
000 FZUS63 KMQT 072001 GLFLS OPEN LAKE FORECAST FOR LAKE SUPERIOR NATIONAL WEATHER SERVICE MARQUETTE MI 401 PM EDT TUE OCT 7 2008 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR .SYNOPSIS...A 30.3 INCH HIGH PRESSURE OVER THE EASTERN GREAT LAKES WILL GRADUALLY MOVE OFF THE EAST COAST TONIGHT AND WEAKEN TO 30.3 INCHES. MEANWHILE...A COLD FRONT OVER EASTERN MINNESOTA WILL WORK ITS WAY ACROSS LAKE SUPERIOR TONIGHT AND WEDNESDAY. BY THURSDAY...A LOW PRESSURE SYSTEM WILL DEEPEN TO 29.3 INCHES OVER HUDSON BAY WHILE A 30.1 INCH HIGH PRESSURE RIDGE MOVES THROUGH THE CENTRAL PLAINS. THIS RIDGE WILL BUILD INTO THE GREAT LAKES REGION ON FRIDAY. ANOTHER 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. LSZ162-080900- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM- 401 PM EDT TUE OCT 7 2008 /301 PM CDT TUE OCT 7 2008/ .LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. SHOWERS. WAVES 3 TO 5 FEET. .TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS BY MIDNIGHT. SHOWERS THROUGH MIDNIGHT...THEN SCATTERED SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET. .WEDNESDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS LATE. A SLIGHT CHANCE OF SHOWERS EARLY. WAVES 1 TO 3 FEET. .WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 6 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS. WAVES 4 TO 7 FEET. .THURSDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO 20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET. .FRIDAY NIGHT...EAST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. 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 BUILDING TO 2 TO 4 FEET. $$ LSZ263-080900- LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE ROYALE NATIONAL PARK- 401 PM EDT TUE OCT 7 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. NUMEROUS SHOWERS. WAVES 3 TO 5 FEET. .TONIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS BY MIDNIGHT. SHOWERS THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 6 FEET. .WEDNESDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET. .WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS BY MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS INCREASING TO GALES TO 35 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO 20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET. .FRIDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 6 FEET. .SATURDAY...EAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET. .SUNDAY...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET. $$ LSZ264-080900- LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 401 PM EDT TUE OCT 7 2008 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... .LATE THIS AFTERNOON...SOUTHEAST WINDS TO 30 KNOTS. ISOLATED SHOWERS. WAVES 5 TO 8 FEET. .TONIGHT...SOUTHEAST WINDS TO 30 KNOTS VEERING SOUTH BY MIDNIGHT...THEN DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT AND BACKING SOUTHEAST LATE. NUMEROUS SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET. .WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET. .WEDNESDAY NIGHT...WEST WINDS TO 30 KNOTS. WAVES BUILDING TO 4 TO 7 FEET. .THURSDAY...WEST GALES TO 35 KNOTS. WAVES BUILDING TO 7 TO 10 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 6 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET. .SATURDAY...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS. 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. $$ LSZ265-080900- LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE- 401 PM EDT TUE OCT 7 2008 .LATE THIS AFTERNOON...SOUTHEAST WINDS 15 TO 25 KNOTS. ISOLATED SHOWERS. WAVES 5 TO 8 FEET SUBSIDING TO 4 TO 7 FEET. .TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS LATE. SCATTERED SHOWERS THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET. .WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY EARLY AFTERNOON...THEN INCREASING TO 10 TO 20 KNOTS LATE. A CHANCE OF SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. .WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS. WAVES BUILDING TO 4 TO 7 FEET. .THURSDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET. .FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY NIGHT...EAST WINDS 15 TO 25 KNOTS VEERING SOUTHEAST AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET. .SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET. .SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET. $$ LSZ266-267-080900- 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- 401 PM EDT TUE OCT 7 2008 .LATE THIS AFTERNOON...SOUTHEAST WINDS TO 30 KNOTS. WAVES 5 TO 9 FEET. .TONIGHT...SOUTHEAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY MIDNIGHT. SCATTERED SHOWERS BECOMING WIDESPREAD AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET. .WEDNESDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS BY LATE MORNING...THEN VEERING WEST BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET. .WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 30 KNOTS. WAVES BUILDING TO 4 TO 7 FEET. .THURSDAY...WEST WINDS TO 30 KNOTS. WAVES BUILDING TO 7 TO 10 FEET. .THURSDAY NIGHT...WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 5 TO 8 FEET. .FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS AFTER MIDNIGHT. 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 BUILDING TO 3 TO 5 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. $$ LSZ261-080900- MAFOR 0721/ SUPERIOR WEST 11336 11436 11526 14620 11630. SLIGHT CHANCE OF SHOWERS WEDNESDAY MORNING. WAVES 1 TO 5 FEET. 210305 210204. SUPERIOR NORTH CENTRAL 11340 11346 12446 11336 11320 11420 11510. CHANCE OF SHOWERS WEDNESDAY MORNING. WAVES 5 TO 8 FEET TONIGHT SUBSIDING TO 2 FEET OR LESS BY WEDNESDAY AFTERNOON. 220508. SUPERIOR SOUTH CENTRAL 12340 11430 12336 11220 11100 11620. SCATTERED SHOWERS THIS EVENING. CHANCE OF SHOWERS WEDNESDAY MORNING. WAVES 3 TO 7 FEET TONIGHT SUBSIDING TO 2 FEET OR LESS BY WEDNESDAY AFTERNOON. 220407. SUPERIOR EAST 11330 12340 11336 12236 11230 11400. ISOLATED SHOWERS THIS EVENING. CHANCE OF SHOWERS WEDNESDAY AFTERNOON. WAVES 4 TO 7 FEET TONIGHT SUBSIDING TO 1 TO 3 FEET WEDNESDAY. 220407. $$ SRF