Great Lakes Forecast
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552
FZUS63 KMQT 270154
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
954 PM EDT FRI MAY 26 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A LOW PRESSURE OF 29.5 INCHES WILL STAY ACROSS
CENTRAL MANITOBA TONIGHT. THIS LOW WILL WEAKEN TO 29.6 INCHES
OVER NORTHERN ONTARIO ON SATURDAY AFTERNOON AND REMAIN NEARLY
STATIONARY OVER ONTARIO THROUGH THE WEEKEND INTO WEDNESDAY
MORNING. ON WEDNESDAY MORNING THE LOW WEAKENS TO 29.7 INCHES TO
THE NORTHEAST OF LAKE SUPERIOR AS IT EXITS INTO QUEBEC.

LSZ162-271000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
954 PM EDT FRI MAY 26 2017 /854 PM CDT FRI MAY 26 2017/

.REST OF TONIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS BY LATE EVENING. PATCHY FOG. WAVES
CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-271000-
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 PM EDT FRI MAY 26 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING
SOUTHWEST AFTER MIDNIGHT. PATCHY FOG. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS LESS THAN 10 KNOTS. A CHANCE OF RAIN
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-271000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
954 PM EDT FRI MAY 26 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS LESS THAN 10 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-271000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
954 PM EDT FRI MAY 26 2017

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED RAIN SHOWERS. ISOLATED
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. ISOLATED RAIN
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-271000-
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-
954 PM EDT FRI MAY 26 2017

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. SCATTERED RAIN
SHOWERS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. SCATTERED RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. RAIN SHOWERS LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-271000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
954 PM EDT FRI MAY 26 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. PATCHY FOG AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. ISOLATED RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. RAIN SHOWERS LIKELY.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$
LSZ261-271000-
MAFOR 2703/
SUPERIOR WEST 11410 12500 14510 11510. PATCHY FOG OVERNIGHT.
SCATTERED SHOWERS LATE THIS EVENING. PATCHY FOG SATURDAY MORNING.
WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 11310 12410 12510 11500 11510 11410.
PATCHY FOG OVERNIGHT. SCATTERED SHOWERS OVERNIGHT. PATCHY FOG
SATURDAY. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 13410 11400 11300 12200 11300. PATCHY FOG
OVERNIGHT. SCATTERED SHOWERS OVERNIGHT. PATCHY FOG LATE SATURDAY
MORNING. WAVES 2 FEET OR LESS.

SUPERIOR EAST 11300 12400 11410 11400 11300 11100 11200. PATCHY
FOG LATE. SCATTERED SHOWERS OVERNIGHT. CHANCE OF SHOWERS SATURDAY
EVENING. WAVES 1 FOOT OR LESS.

$$

TITUS

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MQT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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