New Marine Codes for SAME NOAA Weather Radios
Special Marine Warnings broadcast on NOAA Weather Radio
are now preceded by a "SAME" code. The SAME code is an alert that contains
specific information about the warning. Specially built weather radio
receivers can decode this alert. For more information on NOAA Weather
Radios, click here. Marine Weather Data and Forecasts
Waters of Green Bay and
Lakeshore -- Updated twice per hour
Lakeshore and Northern Lake Michigan -- Updated hourly at :15 past
Wisconsin Hourly Weather Roundup
Northport Pier at Death's Door (Door County) Wind
-- Raw observation
Lake Michigan Coast Guard
Western Great Lakes Ice Analysis
Western Great Lakes Buoy
and C-Man Data
Western Great Lakes Buoy, C-Man,
and Ship Obs -- Note dates in Julian
Other Buoy and C-Man Sites
Lake Michigan Surface Temperature Analysis
Great Lakes Surface Temperature Analysis
Great Lakes Wind Analysis
Great Lakes Wave Analysis
Great Lakes Water Levels
Wisconsin Surface Plot
Lake Winnebago Info
Satellite-Derived Winds
Northwest Lk Michigan Nearshore -- Including Green Bay
North Lk Michigan Nearshore -- Including far northern Green Bay
Southwest Lk Michigan Nearshore
-- Including Milwaukee shore
Lk Michigan Open Waters
-- Beyond 5 nm from shore
Graphical Forecast
-- Including nearshore wind and wave
Model Forecast -- Wind and waves
Marine Weather Statements -- NW Lk Mich including Green Bay
Special Marine Warnings -- NW Lk Mich including Green Bay
Information for the Marine Community
Rip Current Safety
Marine Outreach
Activities
National NWS Marine Services Program
National NWS Marine
Forecasts
Mariners Weather Log Magazine
About the Program
The National Weather Service in Green Bay issues forecasts and warnings for a part of northwest
Lake Michigan, including the Bay of Green Bay.
The Nearshore Marine Forecast is for waters within 5 nautical miles from shore, and contains
a forecast of wave heights, wind and weather out to 36 hours. The Nearshore Marine Forecast is issued
from April through October.
A Special Marine Warning is issued when hazardous weather conditions of short duration,
such as those associated with thunderstorms, are expected to produce winds of 34 knots or more.
Lakeshore and Coast Guard Observations are collected and broadcast hourly on the Green Bay and Sister Bay
NOAA Weather Radio stations.
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www.nws.noaa.gov 
