Marine Forecast
Issued 10:30 AM EDT 27 June 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind east 20 knots diminishing to southeast 15 near noon then
increasing to south 20 this evening. Wind diminishing to south 10 late overnight
then veering to southwest 10 Saturday morning. Wind increasing to west 15
Saturday evening.
Scattered showers ending Saturday morning with a risk of
thunderstorms.
Winds
Issued 10:30 AM EDT 27 June 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind east 20 knots diminishing to southeast 15 near noon then
increasing to south 20 this evening. Wind diminishing to south 10 late overnight
then veering to southwest 10 Saturday morning. Wind increasing to west 15
Saturday evening.
Waves
Issued 10:30 AM EDT 27 June 2025
Today Tonight and Saturday.
Waves 1 metre subsiding to 0.5 or less early Saturday morning
then building to 0.5 to 1 Saturday evening.
Weather & Visibility
Issued 10:30 AM EDT 27 June 2025
Today Tonight and Saturday.
Scattered showers ending Saturday morning with a risk of
thunderstorms.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Eastern Lake Ontario
Issued 10:30 AM EDT 27 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.
Technical Marine Synopsis
Issued 10:30 AM EDT 27 June 2025 Today Tonight and Saturday At 10:30 a.m. EDT today low 1006 mb located over eastern Lake
Superior.
By 10:30 a.m. EDT Saturday low 1004 mb located over western Quebec.
By 10:30 a.m. EDT Saturday approaching ridge located on a line
north-south over Wisconsin.