FQCN23 CWTO 302225
WAVE HEIGHT FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES
ISSUED BY ENVIRONMENT CANADA AT 6:30 P.M. EDT THURSDAY 30 APRIL 2026
FOR TONIGHT AND FRIDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:00 A.M. EDT FRIDAY.

WAVE HEIGHTS ARE FOR OFFSHORE AND ARE FORECAST FROM TROUGH TO CREST.
NEARSHORE WAVES MAY VARY CONSIDERABLY DUE TO SHORELINE EFFECTS.

WESTERN LAKE SUPERIOR.
WAVES 0.5 METRES OR LESS BUILDING TO 0.5 TO 1 NEAR MIDNIGHT THEN
SUBSIDING TO 0.5 OR LESS FRIDAY AFTERNOON.

EASTERN LAKE SUPERIOR.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS LATE OVERNIGHT THEN
BUILDING TO 0.5 TO 1 FRIDAY EVENING.

WHITEFISH BAY.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS NEAR MIDNIGHT THEN
BUILDING TO 0.5 TO 1 FRIDAY EVENING.

NORTHERN LAKE HURON.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS EARLY FRIDAY MORNING
THEN BUILDING TO 0.5 TO 1 FRIDAY AFTERNOON.

SOUTHERN LAKE HURON.
WAVES 0.5 METRES OR LESS BUILDING TO 0.5 TO 1 FRIDAY EVENING.

GEORGIAN BAY.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS NEAR MIDNIGHT.

LAKE ST. CLAIR.
WAVES 0.5 METRES OR LESS.

WESTERN LAKE ERIE.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS NEAR MIDNIGHT THEN
BUILDING TO 0.5 TO 1 NEAR NOON FRIDAY. WAVES SUBSIDING TO 0.5 OR LESS
FRIDAY EVENING.

EASTERN LAKE ERIE.
WAVES 1 METRE SUBSIDING TO 0.5 OR LESS LATE OVERNIGHT.

WESTERN LAKE ONTARIO.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS NEAR MIDNIGHT.

EASTERN LAKE ONTARIO.
WAVES 1 METRE SUBSIDING TO 0.5 OR LESS EARLY FRIDAY MORNING.

END