Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 KLOT 020230
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
830 PM CST MON FEB 1 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

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

.SYNOPSIS...WEAK HIGH PRESSURE OF 30.0 INCHES OVER THE LAKES
REGION WILL MOVE NORTHEAST THROUGH TUESDAY...WHILE STRONG LOW
PRESSURE OF 29.5 INCHES DEVELOPS OVER THE PLAINS AND LIFTS
NORTHEAST ACROSS LAKE MICHIGAN TUESDAY NIGHT AND CONTINUES INTO
QUEBEC WEDNESDAY NIGHT. HIGH PRESSURE AROUND 30.4 INCHES WILL
FILL IN BEHIND THIS LOW THURSDAY...THEN SHIFT EAST OF THE LAKE ON
FRIDAY. A WEAKER LOW OF 29.7 INCHES WILL PASS NORTH OF THE LAKE
FRIDAY NIGHT INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-021115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
830 PM CST MON FEB 1 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...

.REST OF TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING EAST 10 TO
15 KT OVERNIGHT. WAVES 1 FT OR LESS.
.TUESDAY...EAST WINDS 10 TO 20 KT INCREASING TO GALES TO 40 KT
IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING...THEN SNOW WITH
A CHANCE OF LIGHT FREEZING RAIN IN THE AFTERNOON. WAVES 1 TO 3 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY NIGHT...EAST GALES TO 40 KT DIMINISHING TO 35 KT LATE IN
THE EVENING...THEN BECOMING NORTHEAST TO 30 KT AFTER MIDNIGHT
BECOMING NORTH LATE. RAIN AND SNOW. WAVES 7 TO 10 FT OCCASIONALLY
TO 13 FT.
.WEDNESDAY...NORTH WINDS TO 30 KT BECOMING NORTHWEST. SNOW WITH A
CHANCE OF RAIN IN THE MORNING...THEN SNOW IN THE AFTERNOON. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES
1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT. WAVES
1 TO 3 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES
2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-021115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
830 PM CST MON FEB 1 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
EVENING...

.REST OF TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING EAST 10 TO
20 KT OVERNIGHT. SLIGHT CHANCE OF SNOW TOWARD MORNING. WAVES 1 TO
2 FT.
.TUESDAY...EAST WINDS TO 30 KT INCREASING TO GALES TO 40 KT IN
THE LATE MORNING. CHANCE OF RAIN AND SNOW IN THE MORNING...THEN
RAIN...SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT.
.TUESDAY NIGHT...EAST GALES TO 35 KT BECOMING SOUTHEAST 15 TO 25
KT LATE IN THE EVENING...THEN BECOMING SOUTH 10 TO 20 KT AFTER
MIDNIGHT VEERING TO WEST TO 30 KT LATE. RAIN LIKELY IN THE
EVENING...THEN CHANCE OF RAIN OVERNIGHT. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. RAIN AND SNOW LIKELY IN
THE MORNING...THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SATURDAY...WEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.

$$
LMZ761-021115-
MAFOR 0204/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11100 11200 11210 11230
11247 13257. CHANCE OF SNOW TUESDAY MORNING. CHANCE OF LIGHT
FREEZING RAIN AND RAIN TUESDAY AFTERNOON AND EVENING. WAVES 1
FOOT OR LESS OVERNIGHT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT TUESDAY AND TO 7 TO 10 FT OCCASIONALLY TO 13 FT TUESDAY EVENING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11100 11210 11220 12250
12256 11246. CHANCE OF RAIN AND SNOW TUESDAY MORNING. WAVES 1 TO
2 FT OVERNIGHT. WAVES BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT
TUESDAY...SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT TUESDAY
EVENING.

$$

RATZER


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