A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >
Marquette, MI
Weather Forecast Office
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Forecast and Warning Definitions
Lake Superior Forecasts for the open waters are issued four times daily throughout the year, at 4:00am, plus every six hours with intermediate updates as necessary. Nearshore Marine Forecasts are issued four times daily, at 5:00am plus every six hours with intermediate updates as necessary. Forecast wave heights are for the average of the highest third of the waves at the end of the fetch in the forecast area. Wind directions and speeds are forecast for roughly 33 feet above the lake surface. Marine warnings and advisories are headlined within marine forecasts:
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Marquette, MI
112 Airpark Drive South
Negaunee, MI 49866
906-475-5212
Comments? Questions? Please Contact Us.
The National Weather Service issues forecasts and warnings for the U.S. open waters (waters beyond five nautical miles from shore) and for the nearshore waters (waters within five nautical miles from shore) of the Great Lakes - darker shaded areas in image to the left.
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