FQCN23 CWTO 171425
WAVE HEIGHT FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES
ISSUED BY ENVIRONMENT CANADA AT 10:30 A.M. EDT TUESDAY 17 MARCH 2026
FOR TODAY TONIGHT AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 6:30 P.M. EDT.

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

WESTERN LAKE SUPERIOR.
OVER OPEN WATER WAVES 1 TO 1.5 METRES.

EASTERN LAKE SUPERIOR.
OVER OPEN WATER WAVES 2 METRES SUBSIDING TO 0.5 TO 1 THIS AFTERNOON
AND TO 0.5 OR LESS THIS EVENING. WAVES BUILDING TO 1 EARLY WEDNESDAY
MORNING.

WHITEFISH BAY.
MAINLY ICE COVERED.

NORTHERN LAKE HURON.
OVER OPEN WATER WAVES 2 METRES SUBSIDING TO 1 TO 1.5 NEAR NOON AND TO
0.5 TO 1 NEAR MIDNIGHT. WAVES BUILDING TO 1.5 NEAR NOON WEDNESDAY.

SOUTHERN LAKE HURON.
OVER OPEN WATER WAVES 2 TO 3 METRES SUBSIDING TO 1.5 NEAR NOON AND TO
1 THIS EVENING. WAVES BUILDING TO 1.5 NEAR NOON WEDNESDAY.

NORTHERN GEORGIAN BAY.
OVER OPEN WATER WAVES 0.5 METRES SUBSIDING TO LESS THAN 0.5 THIS
AFTERNOON THEN BUILDING TO 0.5 WEDNESDAY AFTERNOON.

SOUTHERN GEORGIAN BAY.
OVER OPEN WATER WAVES 1.5 METRES SUBSIDING TO 1 EARLY THIS EVENING
AND TO LESS THAN 0.5 NEAR MIDNIGHT. WAVES BUILDING TO 0.5 WEDNESDAY
AFTERNOON.

LAKE ST. CLAIR.
WAVES 0.5 TO 1 METRE SUBSIDING TO 0.5 OR LESS NEAR NOON THEN BUILDING
TO 0.5 TO 1 WEDNESDAY AFTERNOON.

WESTERN LAKE ERIE.
WAVES 1.5 METRES SUBSIDING TO 1 EARLY THIS EVENING.

EASTERN LAKE ERIE.
OVER OPEN WATER WAVES 2 METRES SUBSIDING TO 1.5 NEAR NOON AND TO 1
THIS EVENING. WAVES SUBSIDING TO 0.5 LATE OVERNIGHT THEN BUILDING TO
0.5 TO 1 WEDNESDAY AFTERNOON.

WESTERN LAKE ONTARIO.
WAVES 2 METRES SUBSIDING TO 1 TO 1.5 EARLY THIS EVENING AND TO 1 LATE
OVERNIGHT. WAVES SUBSIDING TO 0.5 EARLY WEDNESDAY MORNING THEN
BUILDING TO 0.5 TO 1 WEDNESDAY AFTERNOON.

EASTERN LAKE ONTARIO.
OVER OPEN WATER WAVES 3 METRES SUBSIDING TO 1.5 THIS EVENING AND TO 1
LATE OVERNIGHT. WAVES SUBSIDING TO 0.5 OR LESS EARLY WEDNESDAY
MORNING THEN BUILDING TO 0.5 TO 1 WEDNESDAY EVENING.

END