Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KMQT 150247
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
947 PM EST SUN DEC 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.7 INCH LOW PRESSURE OVER NORTHERN MINNESOTA WILL PUSH
ACROSS WESTERN LAKE SUPERIOR MONDAY AFTERNOON...AND THEN EASTERN LAKE
SUPERIOR MONDAY EVENING. THIS WILL BE WHILE THE SOUTHERN END OF THE
TROUGH OF LOW PRESSURE SHIFTS FROM KANSAS TO IOWA AT 29.6 INCHES ON
MONDAY...AND THEN LOWER MICHIGAN AND THE LOWER GREAT LAKES TUESDAY
INTO TUESDAY NIGHT. A WEAKENING TROUGH OF LOW PRESSURE AVERAGING 30.1
INCHES WILL LINGER ACROSS LAKE SUPERIOR THROUGH WEDNESDAY. BROAD 30.5
INCH HIGH PRESSURE STRETCHING FROM MANITOBA THROUGH THE NORTHERN
PLAINS WILL REMAIN NEARLY STATIONARY MONDAY NIGHT THROUGH
WEDNESDAY...BEFORE SLOWLY DRIFTING ACROSS MINNESOTA AND ONTARIO
WEDNESDAY NIGHT AND THURSDAY AT 30.3 INCHES...AND THE ENTIRE UPPER
GREAT LAKES REGION THURSDAY NIGHT INTO FRIDAY.

LSZ162-151100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
947 PM EST SUN DEC 14 2014 /847 PM CST SUN DEC 14 2014/

.REST OF TONIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS
THAN 10 KNOTS AFTER MIDNIGHT. PATCHY FOG. PATCHY DRIZZLE. A
CHANCE OF RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. PATCHY FOG. A CHANCE OF RAIN IN THE MORNING. RAIN
LIKELY...POSSIBLY MIXED WITH SNOW IN THE AFTERNOON. WAVES CALM TO
2 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN IN THE EVENING.
SNOW. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. A CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 6 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO
3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH IN THE
AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ263-151100-
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-
947 PM EST SUN DEC 14 2014

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. PATCHY DRIZZLE. A CHANCE OF RAIN
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. AREAS OF FOG. A CHANCE OF RAIN IN THE MORNING. A
CHANCE OF DRIZZLE. RAIN LIKELY IN THE AFTERNOON. WAVES CALM TO
2 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. RAIN IN THE EVENING. SNOW. WAVES
BUILDING TO 6 TO 9 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
LIKELY IN THE MORNING. A CHANCE OF SNOW IN THE AFTERNOON. WAVES
SUBSIDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW IN THE
EVENING. SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES BUILDING TO
6 TO 9 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ264-151100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
947 PM EST SUN DEC 14 2014

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. PATCHY DRIZZLE. A
CHANCE OF RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. PATCHY FOG. A CHANCE OF RAIN AND
DRIZZLE IN THE MORNING. RAIN LIKELY IN THE AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING...THEN
FREEZING SPRAY AFTER MIDNIGHT. RAIN...POSSIBLY MIXED WITH SNOW IN
THE EVENING...THEN SNOW...POSSIBLY MIXED WITH RAIN AFTER
MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.TUESDAY...NORTH GALES TO 35 KNOTS. FREEZING SPRAY. SNOW. WAVES
BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.TUESDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW. WAVES SUBSIDING TO
4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY IN
THE MORNING. A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES
SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-151100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
947 PM EST SUN DEC 14 2014

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. PATCHY DRIZZLE. A SLIGHT CHANCE OF
RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG IN THE MORNING. A
CHANCE OF RAIN AND DRIZZLE. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING. RAIN LIKELY
IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW. WAVES BUILDING TO
8 TO 11 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. SNOW. WAVES
SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. FREEZING SPRAY IN THE MORNING. SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-151100-
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-
947 PM EST SUN DEC 14 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. PATCHY
DRIZZLE. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. A CHANCE OF RAIN AND
DRIZZLE. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING NORTH AFTER
MIDNIGHT. PATCHY FOG IN THE EVENING. RAIN. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN IN THE
MORNING. SNOW. WAVES BUILDING TO 7 TO 11 FEET.
.TUESDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER MIDNIGHT.
WAVES SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY IN THE
MORNING. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ267-151100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
947 PM EST SUN DEC 14 2014

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. PATCHY DRIZZLE. A SLIGHT CHANCE OF
RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO 1 TO
3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
RAIN AND DRIZZLE. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. RAIN. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO 20 KNOTS
IN THE AFTERNOON. RAIN IN THE MORNING. SNOW. A SLIGHT CHANCE OF
RAIN IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. SNOW. WAVES
SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY IN
THE MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$
LSZ261-151100-
MAFOR 1504/
SUPERIOR WEST 11300 11400 11403 12513 11616 11726 11837. PATCHY FOG
THROUGH MONDAY AFTERNOON. PATCHY DRIZZLE TONIGHT. CHANCE OF RAIN
OVERNIGHT. AREAS OF FOG AND A CHANCE OF RAIN IN THE MORNING. WAVES 1
TO 4 FEET.

SUPERIOR NORTH CENTRAL 11310 13410 11510 11516 11736 11846. PATCHY
FOG TONIGHT THROUGH MONDAY EVENING. PATCHY DRIZZLE TONIGHT. SLIGHT
CHANCE OF RAIN OVERNIGHT. CHANCE OF RAIN AND DRIZZLE IN THE MORNING.
A SLIGHT CHANCE OF SNOW MONDAY EVENING. WAVES 1 TO 3 FEET OVERNIGHT
AND MONDAY. WAVES BUILDING TO 4 TO 6 FEET MONDAY EVENING.

SUPERIOR SOUTH CENTRAL 12410 14420 11410 11616. PATCHY FOG THROUGH
MONDAY AFTERNOON. SLIGHT CHANCE OF RAIN WITH PATCHY DRIZZLE
OVERNIGHT. CHANCE OF RAIN AND DRIZZLE MONDAY. WAVES 1 TO 3 FEET.

SUPERIOR EAST 12410 15420. PATCHY FOG THROUGH MONDAY MORNING. PATCHY
DRIZZLE. SLIGHT CHANCE OF RAIN OVERNIGHT. CHANCE OF RAIN AND DRIZZLE
THROUGH MONDAY EVENING. WAVES 1 TO 4 FEET.

$$

JS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.