Marine Forecast
Issued 06:30 PM EDT 13 September 2026
Tonight and Monday.
Strong wind warning in effect.
Wind northwest 25 knots diminishing to northwest 15 early Monday
morning and to northwest 10 near noon Monday. Wind becoming light Monday
evening.
Scattered showers ending overnight.
Winds
Issued 06:30 PM EDT 13 September 2026
Tonight and Monday.
Strong wind warning in effect.
Wind northwest 25 knots diminishing to northwest 15 early Monday
morning and to northwest 10 near noon Monday. Wind becoming light Monday
evening.
Waves
Issued 06:30 PM EDT 13 September 2026
Tonight and Monday.
Waves 1 to 1.5 metres building to 2 this evening then subsiding
to 1 to 1.5 late overnight. Waves subsiding to 0.5 to 1 Monday morning and to
0.5 or less Monday afternoon.
Weather & Visibility
Issued 06:30 PM EDT 13 September 2026
Tonight and Monday.
Scattered showers ending overnight.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Southern Georgian Bay
Issued 6:30 PM EDT 13 September 2026'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.
Technical Marine Synopsis
Issued 6:30 PM EDT 13 September 2026 Tonight and Monday At 6:30 p.m. EDT tonight departing cold front located on a line
northeast-southwest over the St. Lawrence River.
At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over Minnesota.
By 6:30 p.m. EDT Monday ridge located on a line north-south over
Lake Ontario.
By 6:30 p.m. EDT Monday approaching low 996 mb located over
southwestern Manitoba.