Great Lakes Forecast
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000
FZUS63 KMQT 181952
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
352 PM EDT MON AUG 18 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 29.9 INCHES OVER WESTERN QUEBEC WILL
SLOWLY MOVE EASTWARD THROUGH TONIGHT. 29.7 INCH LOW PRESSURE CENTERED
OVER FAR NORTHWEST MINNESOTA WILL GRADUALLY MOVE SOUTHEAST TO LOWER
MICHIGAN BY WEDNESDAY AFTERNOON...PASSING JUST SOUTH OF LAKE SUPERIOR
ON TUESDAY. IT WILL SLOWLY DISSIPATE OVER THE LOWER GREAT LAKES ON
THURSDAY. BROAD LOW PRESSURE OF 29.6 INCHES WILL THEN DEVELOP OVER
THE CENTRAL AND NORTHERN HIGH PLAINS WEDNESDAY WHILE 30.2 INCH HIGH
PRESSURE SETTLES OVER QUEBEC. THIS GENERAL PATTERN WILL PERSIST INTO
THE END OF THE WEEK WHILE A PORTION OF THE TROUGH EXTENDS EASTWARD
ACROSS THE MIDDLE MISSISSIPPI VALLEY ON FRIDAY. THE TROUGH WILL THEN
SHIFT EASTWARD TO THE UPPER MISSISSIPPI VALLEY AS THE HIGH SETTLES
OVER THE MARITIME PROVINCES ON SATURDAY.

LSZ162-190400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
352 PM EDT MON AUG 18 2014 /252 PM CDT MON AUG 18 2014/

.LATE THIS AFTERNOON...NORTHEAST WINDS 10 TO 20 KNOTS. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED THUNDERSTORMS THROUGH MIDNIGHT.
SCATTERED SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-190400-
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-
352 PM EDT MON AUG 18 2014

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES 1 TO
3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ264-190400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
352 PM EDT MON AUG 18 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. SCATTERED
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-190400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
352 PM EDT MON AUG 18 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED
SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS
THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER MIDNIGHT. AREAS OF
FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS LIKELY THROUGH EARLY AFTERNOON.
A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ266-190400-
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-
352 PM EDT MON AUG 18 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. SCATTERED
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. SCATTERED SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. SHOWERS LIKELY
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-190400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
352 PM EDT MON AUG 18 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED SHOWERS
THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. PATCHY FOG. SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. SHOWERS LIKELY THROUGH
MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING
EAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ261-190400-
MAFOR 1821/

SUPERIOR WEST 14110 13120 11110. SCATTERED RAIN SHOWERS. ISOLATED
THUNDERSTORMS THROUGH EARLY EVENING. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 12310 11313 11200 11213 11210 11213 11110.
AREAS OF FOG. SCATTERED RAIN SHOWERS TONIGHT. CHANCE OF RAIN SHOWERS
TUESDAY. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 13310 13316 11216 11106. PATCHY FOG THIS
AFTERNOON. AREAS OF FOG LATE TONIGHT AND TUESDAY. SCATTERED RAIN
SHOWERS THROUGH THIS EVENING. WAVES 1 TO 2 FEET.

SUPERIOR EAST 14320 11320 12326 11216. PATCHY FOG OVERNIGHT. AREAS
OF FOG TUESDAY. SCATTERED RAIN SHOWERS TONIGHT. WAVES 1 TO 3 FEET.

$$

MCD





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