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Great Lakes Marine Text Forecasts by Zone
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Marine Forecast Offices and Centers provide
links to their products as well as additional regionally focused
information.
This page under continuous construction.....Please take a
moment to read the information at the bottom of this page.
This is NOT a complete listing of NWS marine forecast products for this area.
See the National Weather Service Marine Forecasts webpage which contains information on the
dissemination of NWS marine weather forecasts including frequency and broadcast schedule information as well as links to products and
related information.
National Weather Service Coastal and Offshore forecast products listed on this webpage
are subdivided by zone, each identified by a Universal Generic Code(UGC) e.g. ANZ050, and a Special Area Messaging Encoder (SAME) code, e.g. 073050. SAME codes are used to program SAME-capable NOAA Weather Radio receivers to receive alert messages for user-specified areas.
A graphic version of this page is available.
The entire text of these forecasts may be found at
NWS Production Schedule for Marine Text Products or the low-bandwidth-friendly National Weather Service Marine Forecasts page which also serve as alternate sources of data.
These forecasts are also available via e-mail
Great Lakes Marine Text Forecasts by Zone
OPEN LAKE ZONE FORECASTS
Explanation of the MAFOR code
NEARSHORE MARINE ZONE FORECASTS
NWS nearshore forecast areas - within 5 nautical miles of shore.
Great Lakes nearshore marine forecasts are issued throughout the boating season, typically beginning
around April 1 and ending around December 31, dependent on ice conditions on the entrances to
each individual lake. During periods of climatological extremes leading to erratic ice coverage patterns
(shifting of ice edge, late/early freeze, etc.), and based on customer needs, nearshore forecasts
may be issued throughout the winter to support the National Weather Service mission of protecting life and
property on the waters of the Great Lakes.
- LAKE SUPERIOR, BAYS AND RIVERS
- Minnesota Shore Line
- Wisconsin Shore Line
- Michigan Shore Line
- LAKE MICHIGAN AND BAYS
- Michigan Shore Line
- Wisconsin Shore Line
- Illinois Shore Line
- Indiana Shore Line
- LAKE HURON, BAYS AND LAKES
- LAKE ST. CLAIR
- LAKE ERIE AND BAYS
- Michigan Shore Line
- Ohio Shore Line
- Pennsylvania Shore Line
- New York Shore Line
- LAKE ONTARIO AND RIVERS
GREAT LAKES WARNING AREAS2
- Lake Michigan, Manistee, MI to 5 nm west of Mackinac Bridge to Seul Choix
beyond 5 nm off shore
(LMZ363/0923632 )
- Lake Superior, west of a line from Saxon Harbor, WI, to Grand Portage, MN
(LSZ162/0911622 )
- Lake Superior, east of a line from Saxon Harbor, WI to Grand Portage, MN, to a
line Manitou Is., MI north, beyond 5 nm and south of the US/Canadian border
(LSZ263/0912632 )
- Lake Superior, east of a line from Manitou Is., MI northward beyond 5 nm, and
south of the US/Canadian border, excluding Whitefish Bay.
(LSZ264/0912642 )
- Lake Michigan, from Seul Choix Pt. to Rock Is. Passage, southeastward beyond
5 nm off shore to the mid-line of the lake
(LMZ262/0922622 )
- Lake Michigan, Manistee, MI to 5 nm west of Mackinac Bridge to Seul Choix
beyond 5 nm off shore
(LMZ363/0923632 )
- Lake Huron, 5 nm east of Mackinac Bridge to Presque Isle Lt. MI East beyond
5 nm off shore to US-Canadian border
(LHZ361/0933612 )
- Lake Huron, Presque Isle Lt. to Alabaster MI eastward beyond 5 nm off shore
to US-Canadian border
(LHZ362/0933622 )
- Lake Huron, Port Austin to Harbor Beach 5 nm off shore to US/Can border
(LHZ462/0934622 )
- Lake Huron, Harbor Beach to Port Sanilac 5 nm off shore to US/Can border
(LHZ463/0934632 )
- Lake Huron, Port Sanilac to Port Huron 5 nm off shore to US/Can border
(LHZ464/0934642 )
- St. Clair River
(LCZ422/0944222 )
- Detroit River
(LCZ423/0944232 )
- Lake Michigan, Rock Island Passage to Sheboygan, WI eastward beyond 5 nm
(LMZ564/0925642 )
- Lake Michigan, Sheboygan, WI to Winthrop Harbor, IL eastward beyond 5 nm to mid-line of lake
(LMZ665/0926652 )
- Lake Michigan, Winthrop Harbor eastward to the mid-point of
the Lake and southward to Michigan City beyond 5 nm from shore
(LMZ766/0927662 )
- Lake Michigan, Michigan City IN to St. Joseph MI to 5nm offshore to mid-line of lake
(LMZ061/0920612 )
- Lake Michigan, New Buffalo to Holland, MI 5 nm off shore to mid-line of lake
(LMZ867/0928672 )
- Lake Michigan, Holland to Whitehall, MI 5 nm off shore to mid-line of lake
(LMZ868/0928682 )
- Lake Michigan, Whitehall to Manistee, MI 5 nm off shore to mid-line of lake
(LMZ869/0928692 )
- Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5 NM off
shoreline to US-Can border
(LEZ162/0961622 )
- Reno Beach to The Islands OH beyond 5 nm off shoreline to US-Can border
(LEZ163/0961632 )
- The Islands to Vermilion OH beyond 5 nm off shoreline to US-Can border
(LEZ164/0961642 )
- Vermilion to Avon Point OH beyond 5 nm off shoreline to US-Can border
(LEZ165/0961652 )
- Avon Point to Willowick OH beyond 5 nm off shoreline to US-Can border
(LEZ166/0961662 )
- Willowick to Geneva-on-the Lake OH beyond 5 nm off shoreline to
US-Can border
(LEZ167/0961672 )
- Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to
US-Can border
(LEZ168/0961682 )
- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Can border
(LEZ169/0961692 )
- Ripley to Buffalo, NY extending from 5 nm off shoreline to US-Can border
(LEZ061/0960612 )
- Niagara River to Hamlin Beach, NY beyond 5 nm off shore to US-Can border3, but not to exceed 40 nm
(LOZ062/0970622 )
- Hamlin Beach to Sodus Bay, NY beyond 5 nm off shore to US-Can border
(LOZ063/0970632 )
- Sodus Bay to Mexico Bay, NY beyond 5 nm off shore to US-Can border
(LOZ064/0970642 )
- Mexico Bay, NY to the St. Lawrence River beyond 5 nm off shore to
US-Can border(LOZ065/0970652 )
1 Although SAME codes exist for Open Lake forecast zones and MAYFOR's, they are not used operationally.
2 These areas are part of the Open Lake forecast area, however, local Weather Forecast Offices will issue warnings using these UGC's and SAME codes in the event of short duration convective events.
NOTICE - This page under continuous construction. Please excuse
our dust. Several listed products may not be in existence.
Links not yet available for all products. Linked data may not represent
the latest forecast. The Internet is not part of the National
Weather Service's operational data stream and should never be relied upon
as a means to obtain the latest forecast and warning data.
Please read our
disclaimer.
CAUTION - Remember to hit the "RELOAD" button on your
webbrowser
or you may be recalling data from memory rather than downloading the
latest forecast.
Abbreviations have been used on this weppage. For the official description of NWS marine forecast areas see the NWS Directives for Marine and Coastal Weather Services. For details on changes to NWS products, visit the Office
of Climate, Water, and Weather Services Service Change Notifications, the Data
Product Change Management Status Reports , and NWS Telecommunication Operations Center (TOC) Data Management Change Notices webpages.
In the event of major system outages, please contact our Systems
Operations Center at 301-713-0902. Please be specific as possible about
the problem you are experiencing and the exact URL which is giving you
difficulties, e.g. http://weather.nws.noaa.gov/....., (or page you are linking
from if that URL is too long).
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