Marine, Tropical and Tsunami Services Branch
National Program
Great Lakes Nearshore zone forecast unavailable for this area (St. Claire River, Port Huron to Upper Entrance Lake St. Clair (LCZ422)). Used for warning products only. See zone forecasts for nearby marine areas Port Sanilac to Port Huron, MI (LHZ443) and St. Clair Lake, MI (U.S. Portion) (LCZ460)
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Marine, Tropical and Tsunami Services Branch
1325 East-West Hwy, 13th floor
Communications Office
Silver Spring, MD 20910
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