Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home News Organization
 
 
    
    Station List

 Observations
    Mobile Access
    Interactive Map
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    Gliders
    BuoyCAMs Image indicating link to BuoyCAMs page
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Obs Web Widget
    Email Access
    Web Data Guide

 Station Status
    NDBC Maintenance
    NDBC Platforms

 Program Info
    Facebook Logo
    NDBC on Facebook
    About NDBC
     Met/Ocean
          Moored Buoy
          C-MAN
    TAO
    DART®
    VOS
    IOOS® Program
    IOOS® DAC

 Publications
    NDBC Draft PEA
    NDBC DQC Handbook
    Hurricane Data Plots

 Science Education

 FAQ
 Media Inquiries
 Contact Us
 Visitor Information
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

National Weather Service Marine Forecast FZUS63 KLOT

FZUS63 KLOT 250751
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
251 AM CDT Mon Sep 25 2017

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 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
Low pressure of 29.7 inches over Ontario will move to
James Bay today...while high pressure of 30.1 inches slowly
drifts from the eastern Great Lakes toward New England and
weakens. Another low of 29.7 inches will lift across the northern
Great Lakes Tuesday and will trail a cold front across the lake
Tuesday night. High pressure of 30.2 inches will spread across the
Great Plains into Illinois and Indiana through Thursday.

LMZ261-362-364-366-563-565-567-868-251530-
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-
251 AM CDT Mon Sep 25 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

TODAY
South winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 1 to 3 ft.

TONIGHT
South winds 10 to 15 kt becoming southeast. Waves 1 to
2 ft.

TUESDAY
South winds 10 to 15 kt becoming southwest 10 to
20 kt. Chance of showers in the afternoon. Waves 1 to 2 ft.

TUESDAY NIGHT
West winds 10 to 20 kt becoming northwest.
Chance of showers in the evening. Waves 1 to 3 ft building to
2 to 4 ft.

WEDNESDAY
Northwest winds 10 to 20 kt. Waves 2 to 4 ft.

WEDNESDAY NIGHT
Northwest winds 10 to 20 kt. Waves 2 to 4 ft.

THURSDAY
West winds 10 to 15 kt becoming southwest 10 to
20 kt. Waves 2 to 4 ft.

FRIDAY
Northwest winds to 30 kt becoming north. Waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft. 



LMZ080-669-671-673-675-777-779-870-872-874-876-878-251530-
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-
251 AM CDT Mon Sep 25 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

TODAY
South winds 10 to 15 kt becoming southeast. Waves 1 to
3 ft.

TONIGHT
Southeast winds 10 to 15 kt becoming south 5 to 10 kt.
Waves 1 to 2 ft.

TUESDAY
South winds 10 to 15 kt. Waves 1 to 2 ft.

TUESDAY NIGHT
West winds 10 to 20 kt becoming northwest. Waves
1 to 2 ft building to 2 to 4 ft.

WEDNESDAY
Northwest winds 10 to 20 kt. Waves 3 to 5 ft.

WEDNESDAY NIGHT
North winds 10 to 20 kt. Waves 3 to 5 ft.

THURSDAY
Northwest winds 10 to 15 kt becoming west. Waves 2 to
4 ft.

FRIDAY
Northwest winds to 30 kt becoming north. Waves 7 to
10 ft occasionally to 13 ft. 



LMZ761-251530-
MAFOR 2509/
MICHIGAN NORTH 13420 13410 12300. Waves 1 to 3 feet.

MICHIGAN SOUTH 14410 13310 11410. Waves 1 to 3 feet.



Rodriguez

Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes