Great Lakes Forecast
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000
FZUS63 KMQT 170809
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
409 AM EDT FRI OCT 17 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.3 INCH LOW PRESSURE SOUTH OF JAMES BAY THIS MORNING
WILL DEEPEN TO 29.1 INCHES AS IT DRIFTS INTO CENTRAL QUEBEC TONIGHT.
EXPECT THIS LOW TO DRIFT SLOWLY AROUND QUEBEC THROUGH SUNDAY WHILE
WEAKENING TO 29.3 INCHES. IN ITS WAKE...A 30.4 INCH HIGH PRESSURE
OVER CENTRAL CANADA TODAY WILL DRIFT SOUTHEAST INTO THE UPPER GREAT
LAKES ON SATURDAY AND THEN INTO THE OHIO RIVER VALLEY ON SUNDAY. A
29.7 INCH LOW PRESSURE NEAR LAKE WINNIPEG ON SUNDAY WILL THEN SLIDE
SOUTHEAST THROUGH THE GREAT LAKES ON MONDAY AND INTO THE MID
ATLANTIC STATES ON TUESDAY. A 30.1 INCH HIGH PRESSURE OVER CENTRAL
CANADA WILL FOLLOW INTO NORTHWEST ONTARIO ON TUESDAY.

LSZ162-171615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
409 AM EDT FRI OCT 17 2014 /309 AM CDT FRI OCT 17 2014/

.EARLY THIS MORNING...NORTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED RAIN SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. SCATTERED
RAIN SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. ISOLATED RAIN SHOWERS
THROUGH MIDNIGHT. WAVES 3 TO 6 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ263-171615-
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-
409 AM EDT FRI OCT 17 2014

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.EARLY THIS MORNING...NORTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED SHOWERS. WAVES 1 TO 3 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
SCATTERED RAIN SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. ISOLATED SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 5 TO 9 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF RAIN. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES 1 TO
3 FEET.

$$

LSZ264-171615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
409 AM EDT FRI OCT 17 2014

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.EARLY THIS MORNING...NORTHEAST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
40 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS. WAVES BUILDING TO
5 TO 8 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. ISOLATED RAIN SHOWERS.
ISOLATED SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 6 TO
10 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. RAIN LIKELY BY MID AFTERNOON.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. A CHANCE OF RAIN. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES 1 TO
3 FEET.

$$

LSZ265-171615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
409 AM EDT FRI OCT 17 2014

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO 35 KNOTS
BY MID AFTERNOON. SCATTERED SHOWERS THROUGH EARLY AFTERNOON...THEN
SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. SCATTERED RAIN SHOWERS. ISOLATED SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 11 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
BUILDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-171615-
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-
409 AM EDT FRI OCT 17 2014

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH SATURDAY
MORNING...

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
40 KNOTS BY MID AFTERNOON. SCATTERED RAIN SHOWERS THROUGH EARLY
AFTERNOON...THEN NUMEROUS RAIN SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 7 TO 10 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. NUMEROUS RAIN SHOWERS THROUGH
MIDNIGHT...THEN ISOLATED RAIN AND SNOW SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 8 TO 11 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS
IN THE MORNING. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES SUBSIDING
TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN BY MID AFTERNOON. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. RAIN LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF RAIN
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. A CHANCE
OF RAIN. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
SUBSIDING TO 1 TO 3 FEET.

$$

LSZ267-171615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
409 AM EDT FRI OCT 17 2014

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH SATURDAY
MORNING...

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS THROUGH EARLY
AFTERNOON...THEN NUMEROUS SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 5 TO 8 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. NUMEROUS RAIN SHOWERS THROUGH
MIDNIGHT...THEN SCATTERED RAIN SHOWERS...POSSIBLY MIXED WITH SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 10 FEET.
.SATURDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY EARLY AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. RAIN LIKELY. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST.
WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-171615-
MAFOR 1709/
SUPERIOR WEST...11130 11830 15840. PATCHY FOG THIS MORNING.
SCATTERED RAIN SHOWERS TODAY. ISOLATED RAIN SHOWERS THIS EVENING.
WAVES 2 TO 7 FEET.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11110 11840 11846
13850 12840. ISOLATED RAIN SHOWERS EARLY THIS MORNING THEN NUMEROUS
RAIN SHOWERS THIS MORNING. SCATTERED RAIN SHOWERS THIS AFTERNOON AND
TONIGHT. WAVES AROUND 1 FOOT BUILDING TO 5 TO 8 FEET TODAY. WAVES
BUILDING TO 7 TO 10 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11110 11820 11846
12856 11850 12840. SCATTERED RAIN SHOWERS THIS MORNING THEN RAIN
SHOWERS THIS AFTERNOON. SCATTERED RAIN SHOWERS TONIGHT. WAVES 1 TO
2 FEET BUILDING TO 5 TO 8 FEET TODAY. WAVES BUILDING TO 8 TO 11 FEET
TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...11800 11720 11840 13856
11840 11850. SCATTERED RAIN SHOWERS THIS MORNING THEN NUMEROUS RAIN
SHOWERS THIS AFTERNOON AND EVENING. SCATTERED RAIN SHOWERS MIXED WITH
SNOW OVERNIGHT. WAVES 2 FEET OR LESS BUILDING TO 5 TO 7 FEET TODAY.
WAVES BUILDING TO 7 TO 10 FEET TONIGHT.

$$

KC



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