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 230747
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
247 AM CDT Mon Oct 23 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 29.9 inches is centered over the lower
Ohio Valley and another low of 29.5 inches is centered over
southern Manitoba. These lows will merge over Michigan today and
deepen to 29.1 inches early Tuesday. The low will meander over
northern Michigan Tuesday then lift to Quebec Wednesday and
weaken. Low pressure of 29.4 inches will move into the Dakotas
Wednesday and across Lake Superior Thursday.

LMZ261-362-364-366-563-565-567-868-231530-
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-
247 AM CDT Mon Oct 23 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
MORNING...

TODAY
West winds 10 to 15 kt early this morning backing to
southeast around 10 kt by late morning...then north 10 to 20 kt
this afternoon. Chance of rain. Waves 1 to 3 ft building to 2 to
4 ft.

TONIGHT
North winds to 30 kt becoming northwest gales to
45 kt. Showers. Waves 4 to 6 ft occasionally to 8 ft building to
8 to 12 ft occasionally to 16 ft.

TUESDAY
Northwest gales to 45 kt becoming north. Rain showers.
Waves 10 to 14 ft occasionally to 18 ft.

TUESDAY NIGHT
North gales to 45 kt becoming northwest gales to
40 kt overnight. Rain showers likely in the evening...then chance
of rain showers overnight. Waves 10 to 14 ft occasionally to 18
ft.

WEDNESDAY
Northwest winds to 30 kt becoming west 10 to 20 kt
in the afternoon. Waves 8 to 11 ft occasionally to 14 ft
subsiding to 4 to 6 ft occasionally to 8 ft.

WEDNESDAY NIGHT
West winds 10 to 20 kt becoming south 15 to
25 kt. Waves 2 to 4 ft.

THURSDAY
South winds to 30 kt becoming southwest. Waves 4 to
6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to
10 ft.

FRIDAY
Northwest gales to 35 kt diminishing to 30 kt. Chance
of rain showers. Waves 5 to 8 ft occasionally to 10 ft. 



LMZ080-669-671-673-675-777-779-870-872-874-876-878-231530-
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-
247 AM CDT Mon Oct 23 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

TODAY
North winds 10 to 20 kt becoming northwest to 30 kt late
this afternoon. Rain. Waves 4 to 6 ft occasionally to 8 ft
building to 5 to 8 ft occasionally to 10 ft.

TONIGHT
Northwest winds to 30 kt becoming west. Showers likely.
Waves 6 to 9 ft occasionally to 12 ft.

TUESDAY
West gales to 40 kt becoming northwest gales to 45 kt.
Rain showers. Waves 8 to 11 ft occasionally to 14 ft building to
10 to 14 ft occasionally to 18 ft.

TUESDAY NIGHT
Northwest gales to 45 kt diminishing to gales to
40 kt. Rain showers likely in the evening...then chance of rain
showers overnight. Waves 12 to 16 ft occasionally to 21 ft.

WEDNESDAY
Northwest winds to 30 kt becoming west 15 to 25 kt.
Waves 8 to 12 ft occasionally to 16 ft subsiding to 5 to 8 ft
occasionally to 10 ft.

WEDNESDAY NIGHT
West winds 10 to 20 kt becoming southwest
15 to 25 kt. Waves 3 to 5 ft.

THURSDAY
Southwest winds to 30 kt. Waves 4 to 7 ft
occasionally to 9 ft building to 6 to 9 ft occasionally to 12 ft.

FRIDAY
West gales to 35 kt diminishing to 30 kt. Chance of
rain showers. Waves 6 to 9 ft occasionally to 12 ft. 



&&

LMZ761-231530-
MAFOR 2309/
MICHIGAN NORTH...Gale Warning in effect...11610 11400 11300 11110
11826 11846 11856 11766. Chance of rain today. Waves 1 to 3 ft
building to 2 to 4 feet today. Waves 4 to 6 feet occasionally to
8 feet building to 8 to 12 feet occasionally to 16 feet tonight.

MICHIGAN SOUTH 13826 11836 14746. Waves 4 to 6 feet occasionally
to 8 feet building to 5 to 8 feet occasionally to 10 feet today.
Waves 6 to 9 feet occasionally to 12 feet tonight.



BMD

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

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