FQCN13 CWTO 040655 MARINE FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES AND THE ONTARIO PORTION OF THE ST. LAWRENCE RIVER ISSUED BY ENVIRONMENT CANADA AT 3:00 A.M. EDT SATURDAY 4 APRIL 2026 FOR TODAY TONIGHT AND SUNDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.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 OVERNIGHT. WIND DIMINISHING TO NORTHWEST 15 NEAR NOON SUNDAY AND TO NORTH 10 SUNDAY EVENING. SNOW TODAY AND TONIGHT. 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 OVERNIGHT. WIND DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. FREEZING RAIN OR SNOW BEGINNING EARLY THIS MORNING BECOMING SNOW OVERNIGHT AND ENDING SUNDAY MORNING. VISIBILITY 1 MILE OR LESS IN PRECIPITATION. WHITEFISH BAY. WIND EAST 15 KNOTS VEERING TO SOUTHEAST 20 THIS MORNING THEN TO SOUTHWEST 15 EARLY THIS EVENING. WIND VEERING TO WEST 20 NEAR MIDNIGHT THEN TO NORTHWEST 25 SUNDAY MORNING. WIND DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. FREEZING RAIN BEGINNING EARLY THIS MORNING CHANGING TO RAIN NEAR NOON WITH A RISK OF FREEZING RAIN THEN TO DRIZZLE AND FOG PATCHES THIS EVENING THEN TO PERIODS OF SNOW OVERNIGHT AND ENDING NEAR NOON SUNDAY. NORTHERN LAKE HURON. WIND EAST 20 KNOTS INCREASING TO EAST 30 THIS MORNING THEN DIMINISHING TO SOUTHEAST 20 THIS AFTERNOON. WIND VEERING TO SOUTHWEST 20 THIS EVENING THEN TO WEST 25 OVERNIGHT. WIND INCREASING TO WEST 30 SUNDAY MORNING THEN VEERING TO NORTHWEST 25 SUNDAY AFTERNOON. FREEZING RAIN OR RAIN BEGINNING EARLY THIS MORNING BECOMING RAIN THIS AFTERNOON THEN SCATTERED SHOWERS THIS EVENING. SCATTERED FLURRIES SUNDAY MORNING AND AFTERNOON. FOG PATCHES FORMING NEAR NOON AND DISSIPATING THIS EVENING. SOUTHERN LAKE HURON. WIND EAST 15 KNOTS VEERING TO SOUTHEAST 20 EARLY THIS MORNING THEN TO SOUTH 25 NEAR NOON. WIND VEERING TO SOUTHWEST 20 EARLY THIS EVENING THEN TO WEST 25 OVERNIGHT. WIND VEERING TO NORTHWEST 20 SUNDAY AFTERNOON. RAIN AND FOG PATCHES BEGINNING EARLY THIS MORNING WITH A RISK OF THUNDERSTORMS CHANGING TO SCATTERED SHOWERS THIS EVENING THEN TO SCATTERED FLURRIES SUNDAY MORNING. NORTHERN GEORGIAN BAY. WIND EAST 15 KNOTS INCREASING TO SOUTHEAST 25 THIS MORNING AND TO SOUTHEAST 30 THIS AFTERNOON. WIND DIMINISHING TO SOUTHWEST 20 THIS EVENING THEN VEERING TO WEST 25 OVERNIGHT. WIND INCREASING TO WEST 30 NEAR NOON SUNDAY THEN DIMINISHING TO NORTHWEST 20 SUNDAY EVENING. FREEZING RAIN OR RAIN BEGINNING THIS MORNING BECOMING RAIN THIS EVENING THEN SCATTERED SHOWERS NEAR MIDNIGHT. SCATTERED FLURRIES SUNDAY. FOG PATCHES FORMING THIS AFTERNOON AND DISSIPATING NEAR MIDNIGHT. SOUTHERN GEORGIAN BAY. WIND EAST 15 KNOTS INCREASING TO SOUTHEAST 25 THIS MORNING AND TO SOUTHEAST 30 THIS AFTERNOON. WIND DIMINISHING TO SOUTHWEST 15 THIS EVENING THEN INCREASING TO SOUTHWEST 20 OVERNIGHT. WIND VEERING TO WEST 25 SUNDAY MORNING THEN TO NORTHWEST 20 SUNDAY EVENING. RAIN AND FOG PATCHES BEGINNING THIS MORNING WITH A RISK OF FREEZING RAIN TODAY AND A RISK OF THUNDERSTORMS LATE THIS AFTERNOON AND THIS EVENING. SCATTERED SHOWERS NEAR MIDNIGHT CHANGING TO SCATTERED FLURRIES SUNDAY MORNING. LAKE ST. CLAIR. WIND NORTHEAST 15 KNOTS VEERING TO SOUTHEAST 15 THIS MORNING THEN TO SOUTHWEST 20 THIS AFTERNOON. WIND VEERING TO WEST 15 THIS EVENING THEN INCREASING TO WEST 20 SUNDAY MORNING. WIND 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 NORTHEAST 15 KNOTS VEERING TO EAST 20 EARLY THIS MORNING THEN INCREASING TO SOUTHWEST 25 THIS AFTERNOON. WIND VEERING TO WEST 20 THIS EVENING THEN 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 15 KNOTS INCREASING TO NORTHEAST 20 EARLY THIS MORNING THEN DIMINISHING TO VARIABLE 10 NEAR NOON. WIND INCREASING TO SOUTHWEST 25 EARLY THIS EVENING THEN DIMINISHING TO NORTHWEST 15 SUNDAY EVENING. SCATTERED SHOWERS BEGINNING EARLY THIS MORNING. RISK OF THUNDERSTORMS TODAY AND THIS EVENING. FOG PATCHES FORMING EARLY THIS MORNING AND DISSIPATING SUNDAY MORNING. WESTERN LAKE ONTARIO. WIND NORTHEAST 15 KNOTS INCREASING TO EAST 25 THIS MORNING THEN DIMINISHING TO VARIABLE 10 EARLY THIS EVENING. WIND INCREASING TO SOUTHWEST 20 NEAR MIDNIGHT THEN VEERING TO WEST 20 SUNDAY EVENING. SCATTERED SHOWERS BEGINNING THIS MORNING. RISK OF THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES FORMING THIS AFTERNOON AND DISSIPATING SUNDAY MORNING. EASTERN LAKE ONTARIO. WIND LIGHT INCREASING TO NORTHEAST 15 KNOTS EARLY THIS MORNING THEN VEERING TO EAST 20 NEAR NOON. WIND VEERING TO SOUTH 25 THIS EVENING THEN TO SOUTHWEST 25 OVERNIGHT. WIND VEERING TO WEST 25 SUNDAY EVENING. SHOWERS BEGINNING THIS MORNING. RISK OF THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES FORMING THIS EVENING AND DISSIPATING SUNDAY MORNING. KINGSTON TO CORNWALL. WIND NORTH 10 KNOTS VEERING TO NORTHEAST 10 EARLY THIS MORNING THEN INCREASING TO SOUTH 15 THIS EVENING. WIND VEERING TO SOUTHWEST 15 OVERNIGHT THEN 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