Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 210259
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
959 PM EST FRI JAN 20 2017

.SYNOPSIS...A BROAD 29.4 INCH TROUGH WILL REMAIN OVER THE
NORTHERN PLAINS AND UPPER MISSISSIPPI VALLEY THROUGH SATURDAY AS
30.4 INCH HIGH PRESSURE BUILDS ACROSS HUDSON BAY AND NORTHERN
QUEBEC. A WEAK TROUGH OF 29.7 INCHES WILL LIFT NORTH AHEAD OF THE
MAIN TROUGH ACROSS THE WESTERN GREAT LAKES SATURDAY. THE TROUGH
WILL LINGER ACROSS THE REGION SUNDAY THROUGH TUESDAY AS A 29.3
INCH LOW TRACKS FROM THE SOUTHERN PLAINS TO THE MID ATLANTIC. A
29.3 INCH LOW ORGANIZING OVER THE CENTRAL PLAINS ON TUESDAY WILL
TRACK NORTHEASTWARD ACROSS THE SOUTHERN GREAT LAKES ON WEDNESDAY.

LSZ162-211100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
959 PM EST FRI JAN 20 2017 /859 PM CST FRI JAN 20 2017/

.REST OF TONIGHT...EAST WINDS 10 TO 15 KNOTS. A CHANCE OF RAIN.
WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN IN THE
MORNING...THEN RAIN LIKELY. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. RAIN SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG.
WAVES CALM TO 2 FEET.
.MONDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST. A
CHANCE OF RAIN AND SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ263-211100-
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-
959 PM EST FRI JAN 20 2017

.REST OF TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A CHANCE OF
RAIN. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS LIKELY.
PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN AND
SNOW SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ264-211100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
959 PM EST FRI JAN 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A
CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN. WAVES BUILDING TO
1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. RAIN SHOWERS LIKELY.
WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS IN THE AFTERNOON. RAIN SHOWERS LIKELY IN THE MORNING...
THEN A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. PATCHY FOG AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS IN THE MORNING...THEN
RAIN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS...POSSIBLY MIXED WITH RAIN.
WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ265-211100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
959 PM EST FRI JAN 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A
CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST IN THE
AFTERNOON. A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. RAIN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. RAIN
SHOWERS...POSSIBLY MIXED WITH SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN AND SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST. A
CHANCE OF RAIN AND SNOW SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ266-211100-
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-
959 PM EST FRI JAN 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A
CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN.
WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS LIKELY. WAVES
CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. RAIN SHOWERS...POSSIBLY MIXED WITH SNOW. WAVES CALM TO
2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. A CHANCE OF
RAIN AND SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS...THEN SNOW SHOWERS
LIKELY. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ267-211100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
959 PM EST FRI JAN 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. RAIN LIKELY
THROUGH MIDNIGHT...THEN A CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
RAIN. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
RAIN SHOWERS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. RAIN SHOWERS LIKELY IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES CALM TO
2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. A CHANCE
OF RAIN AND SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. RAIN AND SNOW SHOWERS
LIKELY...THEN A CHANCE OF RAIN AND SNOW SHOWERS. WAVES BUILDING
TO 3 TO 5 FEET.

$$
LSZ261-211100-
MAFOR 2104/
SUPERIOR WEST 14210 11210 11220 12226. CHANCE OF RAIN OVERNIGHT
AND SATURDAY. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 12300 13310 11320 12220. CHANCE OF RAIN
THROUGH MID MORNING SATURDAY. CHANCE OF RAIN SHOWERS SATURDAY
EVENING. WAVES 1 FOOT OR LESS OVERNIGHT BUILDING TO 2 TO 4 FEET
SATURDAY AND SATURDAY EVENING.

SUPERIOR SOUTH CENTRAL 12300 14310 12226. CHANCE OF RAIN
OVERNIGHT. WAVES 3 FEET OR LESS.

SUPERIOR EAST 15310 11220 11320. CHANCE OF RAIN THROUGH MID
MORNING SATURDAY. CHANCE OF RAIN SHOWERS SATURDAY EVENING. WAVES
1 TO 3 FEET.

$$

KLUBER



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