Eastern Lake Superior
Forecast
Marine Forecast
Issued 10:30 AM EDT 21 June 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind southeast 20 knots diminishing to southwest 10 this afternoon then becoming variable 10 this evening. Wind becoming east 10 late overnight then increasing to east 15 Sunday morning. Wind veering to southeast 15 Sunday afternoon.
Scattered showers ending this evening with a risk of thunderstorms. Scattered showers overnight and Sunday morning with a risk of thunderstorms. Fog patches.
Waves
Extended Forecast
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Warnings
Warnings (In effect)
Strong wind warning in effect
Eastern Lake Superior
Issued 10:30 AM EDT 21 June 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 21 June 2025 Today Tonight and Sunday At 10:30 a.m. EDT today departing ridge located on a linenorth-south over western Quebec.
At 10:30 a.m. EDT today low 992 mb located over South Dakota.
By 10:30 a.m. EDT Sunday low 1005 mb located over southern Quebec.
Great Lakes - Lake Superior Area
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