FQCN13 CWTO 041426 MARINE FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES AND THE ONTARIO PORTION OF THE ST. LAWRENCE RIVER ISSUED BY ENVIRONMENT CANADA AT 10:30 A.M. EDT SATURDAY 4 APRIL 2026 FOR TODAY TONIGHT AND SUNDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 6:30 P.M. EDT. FOG IMPLIES VISIBILITY LESS THAN 1 MILE. WINDS ARE FOR OFFSHORE AREAS. NEARSHORE WINDS MAY VARY CONSIDERABLY DUE TO SHORELINE EFFECTS. WESTERN LAKE SUPERIOR. WIND NORTHEAST 25 KNOTS BACKING TO NORTHWEST 20 THIS EVENING THEN INCREASING TO NORTHWEST 25 LATE OVERNIGHT. WIND DIMINISHING TO NORTHWEST 15 NEAR NOON SUNDAY AND TO NORTH 10 SUNDAY EVENING. SNOW ENDING SUNDAY MORNING. VISIBILITY 1 MILE OR LESS IN SNOW. EASTERN LAKE SUPERIOR. WIND EAST 25 KNOTS BACKING TO NORTHEAST 20 NEAR NOON THEN DIMINISHING TO NORTHEAST 15 EARLY THIS EVENING EXCEPT LIGHT NEAR THE EAST END. WIND INCREASING TO NORTHWEST 20 NEAR MIDNIGHT AND TO NORTHWEST 25 LATE OVERNIGHT. WIND DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. FREEZING RAIN OR SNOW BECOMING SNOW OVERNIGHT AND ENDING SUNDAY MORNING. VISIBILITY 1 MILE OR LESS IN PRECIPITATION. WHITEFISH BAY. WIND SOUTHEAST 20 KNOTS VEERING TO SOUTHWEST 15 EARLY THIS EVENING THEN TO WEST 20 NEAR MIDNIGHT. WIND VEERING TO NORTHWEST 25 EARLY SUNDAY MORNING THEN DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. RAIN WITH A RISK OF FREEZING RAIN CHANGING TO DRIZZLE AND FOG PATCHES THIS EVENING THEN TO PERIODS OF SNOW OVERNIGHT AND ENDING NEAR NOON SUNDAY. NORTHERN LAKE HURON. WIND EAST 30 KNOTS DIMINISHING TO SOUTHEAST 20 THIS AFTERNOON THEN VEERING TO SOUTHWEST 20 THIS EVENING. WIND VEERING TO WEST 25 LATE OVERNIGHT THEN INCREASING TO WEST 30 SUNDAY MORNING. WIND VEERING TO NORTHWEST 25 SUNDAY AFTERNOON. RAIN AND FOG PATCHES CHANGING TO SCATTERED SHOWERS THIS EVENING THEN TO SCATTERED FLURRIES SUNDAY MORNING. SOUTHERN LAKE HURON. WIND SOUTHEAST 20 KNOTS VEERING TO SOUTH 25 NEAR NOON THEN TO SOUTHWEST 20 EARLY THIS EVENING. WIND VEERING TO WEST 25 LATE OVERNIGHT THEN TO NORTHWEST 20 SUNDAY AFTERNOON. RAIN AND FOG PATCHES WITH A RISK OF THUNDERSTORMS CHANGING TO SCATTERED SHOWERS THIS EVENING THEN TO SCATTERED FLURRIES SUNDAY MORNING. NORTHERN GEORGIAN BAY. WIND SOUTHEAST 25 KNOTS INCREASING TO SOUTHEAST 30 THIS AFTERNOON THEN DIMINISHING TO SOUTHWEST 20 THIS EVENING. WIND VEERING TO WEST 25 LATE OVERNIGHT THEN INCREASING TO WEST 30 NEAR NOON SUNDAY. WIND DIMINISHING TO NORTHWEST 20 SUNDAY EVENING. RAIN AND FOG PATCHES BEGINNING NEAR NOON CHANGING TO SCATTERED SHOWERS NEAR MIDNIGHT THEN TO SCATTERED FLURRIES SUNDAY MORNING. SOUTHERN GEORGIAN BAY. WIND SOUTHEAST 25 KNOTS INCREASING TO SOUTHEAST 30 THIS AFTERNOON THEN DIMINISHING TO SOUTHWEST 15 THIS EVENING. WIND INCREASING TO SOUTHWEST 20 LATE OVERNIGHT THEN VEERING TO WEST 25 SUNDAY MORNING. WIND VEERING TO NORTHWEST 20 SUNDAY EVENING. RAIN AND FOG PATCHES BEGINNING NEAR NOON WITH A RISK OF THUNDERSTORMS CHANGING TO SCATTERED SHOWERS NEAR MIDNIGHT THEN TO SCATTERED FLURRIES SUNDAY MORNING. LAKE ST. CLAIR. WIND SOUTHEAST 15 KNOTS VEERING TO SOUTHWEST 20 THIS AFTERNOON THEN TO WEST 15 THIS EVENING. WIND INCREASING TO WEST 20 EARLY SUNDAY MORNING THEN VEERING TO NORTHWEST 15 SUNDAY EVENING. RAIN AND FOG PATCHES WITH A RISK OF THUNDERSTORMS CHANGING TO SCATTERED SHOWERS THIS EVENING AND ENDING SUNDAY AFTERNOON. WESTERN LAKE ERIE. WIND EAST 20 KNOTS INCREASING TO SOUTHWEST 25 THIS AFTERNOON THEN VEERING TO WEST 20 THIS EVENING. WIND VEERING TO NORTHWEST 15 SUNDAY EVENING. RAIN AND FOG PATCHES WITH A RISK OF THUNDERSTORMS CHANGING TO SCATTERED SHOWERS NEAR MIDNIGHT. EASTERN LAKE ERIE. WIND NORTHEAST 20 KNOTS DIMINISHING TO VARIABLE 10 NEAR NOON THEN INCREASING TO SOUTHWEST 25 EARLY THIS EVENING. WIND DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. SCATTERED SHOWERS. RISK OF THUNDERSTORMS TODAY AND THIS EVENING. FOG PATCHES DISSIPATING SUNDAY MORNING. WESTERN LAKE ONTARIO. WIND EAST 25 KNOTS DIMINISHING TO VARIABLE 10 EARLY THIS EVENING THEN INCREASING TO SOUTHWEST 20 NEAR MIDNIGHT. WIND VEERING TO WEST 20 SUNDAY EVENING. SCATTERED SHOWERS. RISK OF THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES FORMING THIS AFTERNOON AND DISSIPATING SUNDAY MORNING. EASTERN LAKE ONTARIO. WIND NORTHEAST 15 KNOTS VEERING TO EAST 20 NEAR NOON THEN TO SOUTH 25 THIS EVENING. WIND VEERING TO SOUTHWEST 25 LATE OVERNIGHT THEN TO WEST 25 SUNDAY EVENING. SHOWERS THIS AFTERNOON TONIGHT AND SUNDAY. RISK OF THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES FORMING EARLY THIS EVENING AND DISSIPATING SUNDAY MORNING. KINGSTON TO CORNWALL. WIND NORTHEAST 10 KNOTS INCREASING TO SOUTH 15 THIS EVENING THEN VEERING TO SOUTHWEST 15 LATE OVERNIGHT. WIND VEERING TO WEST 15 SUNDAY EVENING. SCATTERED SHOWERS THIS AFTERNOON TONIGHT AND SUNDAY. RISK OF THUNDERSTORMS LATE THIS AFTERNOON TONIGHT AND SUNDAY MORNING. FOG PATCHES FORMING THIS EVENING AND DISSIPATING SUNDAY MORNING. END