National Weather Service United States Department of Commerce

Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >



Warnings & Statements for western Lake Superior
Special Marine Warnings - issued as needed
Marine Weather Statements - issued as needed
Water Levels for Lake Superior - Provided by USACE
Hazardous Weather Outlook - For Nearshore Waters


Forecasts for Lake Superior
Western Lake Superior Forecasts and Information
Nearshore Marine Forecast - issued by the NWS in Duluth, MN
Surf Zone Forecast - issued by the NWS in Duluth, MN
from 6/15 - 10/1. Provides information on rip current threats
on the beaches of Duluth and Superior.
Open Waters Forecast - issued by the NWS in Marquette, MI
GLERL - NOAA Coastal Forecasting System


     Marine Observations for western Lake Superior
    Duluth, MN (NOS Station)
    Silver Bay, MN (NWS GLOS Station)
    Grand Marais, MN (NOS Station)
    Port Wing, WI (NWS GLOS Station)
    Saxon Harbor, WI (NWS GLOS Station)
    Devil's Island, WI (NDBC C-MAN Station)
    Ontonagon, MI (NWS GLOS Station)
    Rock of Ages, MI (NDBC C-MAN Station)
    Passage Island, MI (NDBC C-MAN Station)
    Western Lake Superior Buoy (48 NM N of Ironwood, MI - seasonal)
    National Data Buoy Center Great Lakes Regional Map
     Other Interest to Mariners
     National Marine Homepage
     Great Lakes Water Level Forecasts
     Weather Observations