Issued by NWS
000 FZUS63 KMQT 141345 GLFLS OPEN LAKE FORECAST FOR LAKE SUPERIOR NATIONAL WEATHER SERVICE MARQUETTE MI 945 AM EDT THU MAY 14 2009 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR .SYNOPSIS...LOW PRESSURE OF 29.1 INCHES LOCATED NEAR JAMES BAY WILL MOVE EAST OF THE BAY TONIGHT. BEHIND THIS LOW...HIGH PRESSURE OF 30.3 INCHES WILL BUILD OVER THE GREAT LAKES AND REMAIN THROUGH FRIDAY MORNING. BY FRIDAY AFTERNOON...LOW PRESSURE OF 29.8 INCHES WILL DEVELOP OVER NORTHERN MINNESOTA AND MOVE TO SOUTHERN JAMES BAY SATURDAY NIGHT WHILE STRENGTHENING TO 29.6 INCHES. HIGH PRESSURE OF 30.4 INCHES WILL BUILD OVER THE UPPER GREAT LAKES ON SUNDAY BEFORE SHIFTING TO THE MID ATLANTIC STATES MONDAY MORNING. LSZ162-142045- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM- 945 AM EDT THU MAY 14 2009 /845 AM CDT THU MAY 14 2009/ ...GALE WARNING IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... .REST OF TODAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS THROUGH EARLY AFTERNOON. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET. .TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING EAST AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET. .FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. .SATURDAY...WEST WINDS TO 30 KNOTS. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 4 TO 7 FEET. .SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET. .SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. .MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ LSZ263-142045- LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE ROYALE NATIONAL PARK- 945 AM EDT THU MAY 14 2009 ...GALE WARNING IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .REST OF TODAY...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY LATE AFTERNOON. WAVES 8 TO 11 FEET SUBSIDING TO 6 TO 9 FEET. .TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO 25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET. .FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO CALM TO 2 FEET. .SATURDAY...WEST WINDS TO 30 KNOTS. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 5 TO 8 FEET. .SATURDAY NIGHT...NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET. .SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. .MONDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING NORTH. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ LSZ264-142045- LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 945 AM EDT THU MAY 14 2009 ...GALE WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... .REST OF TODAY...WEST GALES TO 40 KNOTS DIMINISHING TO 30 KNOTS BY LATE AFTERNOON. WAVES 6 TO 9 FEET. .TONIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET. .FRIDAY NIGHT...SOUTH WINDS TO 30 KNOTS BECOMING WEST 15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY THROUGH MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET. .SATURDAY...WEST WINDS TO 30 KNOTS INCREASING TO GALES TO 35 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 5 TO 8 FEET. .SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. WAVES 5 TO 8 FEET. .SUNDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET. .MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ LSZ265-142045- LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE- 945 AM EDT THU MAY 14 2009 ...GALE WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... .REST OF TODAY...WEST GALES TO 40 KNOTS DIMINISHING TO 30 KNOTS LATE. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON. WAVES 6 TO 9 FEET SUBSIDING TO 4 TO 7 FEET. .TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING VARIABLE LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET. .FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. .SATURDAY...WEST WINDS TO 30 KNOTS INCREASING TO GALES TO 35 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET. .SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET. .SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES SUBSIDING TO CALM TO 2 FEET. .MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET. $$ LSZ266-142045- 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- 945 AM EDT THU MAY 14 2009 ...GALE WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... .REST OF TODAY...WEST GALES TO 40 KNOTS DIMINISHING TO 30 KNOTS LATE. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON. WAVES 6 TO 9 FEET BUILDING TO 8 TO 11 FEET. .TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 30 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET. .FRIDAY NIGHT...SOUTH WINDS TO 30 KNOTS. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 2 TO 4 FEET. .SATURDAY...WEST WINDS TO 30 KNOTS INCREASING TO GALES TO 35 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 7 TO 10 FEET. .SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO 7 TO 10 FEET. .SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET. .MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ LSZ267-142045- LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 945 AM EDT THU MAY 14 2009 ...GALE WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... .REST OF TODAY...WEST GALES TO 40 KNOTS DIMINISHING TO 30 KNOTS LATE. A CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON. WAVES 4 TO 6 FEET BUILDING TO 8 TO 11 FEET. .TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS VARIABLE LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET. .FRIDAY NIGHT...SOUTHEAST WINDS TO 30 KNOTS BECOMING SOUTH 15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 1 TO 3 FEET. .SATURDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO 35 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET... THEN BUILDING TO 7 TO 10 FEET. .SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO 7 TO 10 FEET. .SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET. .MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ LSZ261-142045- MAFOR 1415/ SUPERIOR WEST...GALE WARNING IN EFFECT...12640 19650 11630 11610 11100 11210 12220. WAVES 4 TO 9 FEET SUBSIDING CALM TO 2 FEET TONIGHT AND FRIDAY MORNING. 210609 210508. SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11650 11640 19650 11640 11730 11810 11110 11210 11320. WAVES 6 TO 10 FEET SUBSIDING TO CALM TO 2 FEET TONIGHT AND FRIDAY MORNING. 220710. SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12650 11640 19650 11730 11810 11800 11200 11310. WAVES 5 TO 10 FEET SUBSIDING TO CALM TO 2 FEET. 210609 210710. SUPERIOR EAST...GALE WARNING IN EFFECT...12650 11640 19650 11630 11720 11810 11210 11310. A SLIGHT CHANCE OF RAIN SHOWERS EARLY. WAVES 6 TO 11 FEET SUBSIDING TO 1 TO 5 FEET TONIGHT AND FRIDAY MORNING. 210710 210811. $$ AJK