FQCN13 CWTO 192225 MARINE FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES AND THE ONTARIO PORTION OF THE ST. LAWRENCE RIVER ISSUED BY ENVIRONMENT CANADA AT 6:30 P.M. EDT THURSDAY 19 MARCH 2026 FOR TONIGHT AND FRIDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:00 A.M. EDT FRIDAY. 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 LIGHT INCREASING TO SOUTHEAST 15 KNOTS THIS EVENING AND TO SOUTHEAST 20 NEAR MIDNIGHT. WIND BECOMING NORTH 20 EARLY FRIDAY MORNING THEN DIMINISHING TO NORTHWEST 10 NEAR NOON FRIDAY. WIND BACKING TO SOUTHWEST 10 FRIDAY EVENING. PERIODS OF SNOW TONIGHT WITH A RISK OF FREEZING RAIN CHANGING TO SCATTERED SHOWERS OR SCATTERED FLURRIES AND ENDING FRIDAY MORNING. VISIBILITY 1 MILE OR LESS IN SNOW. EASTERN LAKE SUPERIOR. WIND LIGHT INCREASING TO SOUTHEAST 15 KNOTS THIS EVENING AND TO SOUTHEAST 25 NEAR MIDNIGHT. WIND VEERING TO SOUTH 25 EARLY FRIDAY MORNING THEN DIMINISHING TO NORTH 20 LATE FRIDAY MORNING. WIND DIMINISHING TO NORTHWEST 10 FRIDAY AFTERNOON THEN BACKING TO WEST 10 FRIDAY EVENING. PERIODS OF SNOW BEGINNING THIS EVENING WITH A RISK OF FREEZING RAIN CHANGING TO SCATTERED SHOWERS OR SCATTERED FLURRIES FRIDAY MORNING AND ENDING FRIDAY MORNING. VISIBILITY 1 MILE OR LESS IN SNOW. WHITEFISH BAY. WIND LIGHT INCREASING TO SOUTHEAST 15 KNOTS NEAR MIDNIGHT AND TO SOUTHEAST 20 LATE OVERNIGHT. WIND DIMINISHING TO LIGHT FRIDAY MORNING THEN BECOMING NORTHWEST 10 FRIDAY EVENING. SNOW BEGINNING NEAR MIDNIGHT WITH A RISK OF FREEZING RAIN CHANGING TO SCATTERED SHOWERS OR SCATTERED FLURRIES FRIDAY MORNING AND ENDING FRIDAY MORNING. VISIBILITY 1 MILE OR LESS IN SNOW. NORTHERN LAKE HURON. WIND NORTHWEST 10 KNOTS BECOMING LIGHT THIS EVENING THEN INCREASING TO SOUTH 20 LATE OVERNIGHT. WIND BACKING TO SOUTHEAST 15 FRIDAY MORNING THEN BECOMING NORTHWEST 15 NEAR NOON FRIDAY. WIND DIMINISHING TO VARIABLE 10 FRIDAY EVENING. PERIODS OF SNOW BEGINNING NEAR MIDNIGHT CHANGING TO RAIN OVERNIGHT THEN TO SCATTERED SHOWERS FRIDAY MORNING AND ENDING NEAR NOON FRIDAY. RISK OF FREEZING RAIN OVERNIGHT AND FRIDAY MORNING. VISIBILITY 1 MILE OR LESS IN PRECIPITATION. SOUTHERN LAKE HURON. WIND NORTHWEST 10 KNOTS BECOMING LIGHT THIS EVENING THEN INCREASING TO SOUTH 20 LATE OVERNIGHT. WIND VEERING TO SOUTHWEST 25 EARLY FRIDAY MORNING THEN DIMINISHING TO NORTHWEST 15 NEAR NOON FRIDAY. WIND DIMINISHING TO NORTH 10 FRIDAY EVENING. PERIODS OF RAIN FRIDAY WITH A RISK OF THUNDERSTORMS. NORTHERN GEORGIAN BAY. WIND WEST 15 KNOTS DIMINISHING TO LIGHT THIS EVENING THEN INCREASING TO SOUTHEAST 20 EARLY FRIDAY MORNING. WIND DIMINISHING TO SOUTHEAST 10 NEAR NOON FRIDAY THEN BECOMING NORTHWEST 10 FRIDAY AFTERNOON. WIND BECOMING LIGHT FRIDAY EVENING. SNOW BEGINNING OVERNIGHT WITH A RISK OF FREEZING RAIN CHANGING TO SCATTERED SHOWERS OR SCATTERED FLURRIES FRIDAY MORNING AND ENDING NEAR NOON FRIDAY. VISIBILITY 1 MILE OR LESS IN SNOW. SOUTHERN GEORGIAN BAY. WIND WEST 10 KNOTS BECOMING LIGHT THIS EVENING THEN INCREASING TO SOUTHEAST 20 EARLY FRIDAY MORNING. WIND DIMINISHING TO WEST 10 NEAR NOON FRIDAY THEN INCREASING TO NORTHWEST 15 FRIDAY AFTERNOON. WIND DIMINISHING TO LIGHT FRIDAY EVENING. RAIN BEGINNING OVERNIGHT WITH A RISK OF FREEZING RAIN CHANGING TO SCATTERED SHOWERS NEAR NOON FRIDAY AND ENDING FRIDAY AFTERNOON. VISIBILITY 1 MILE OR LESS IN RAIN. LAKE ST. CLAIR. WIND LIGHT BECOMING SOUTHEAST 10 KNOTS NEAR MIDNIGHT THEN INCREASING TO SOUTHWEST 15 EARLY FRIDAY MORNING. WIND VEERING TO WEST 15 LATE FRIDAY MORNING THEN TO NORTHWEST 15 FRIDAY AFTERNOON. WIND DIMINISHING TO LIGHT FRIDAY EVENING. SCATTERED SHOWERS FRIDAY WITH A RISK OF THUNDERSTORMS. FOG PATCHES FORMING THIS EVENING AND DISSIPATING FRIDAY MORNING. WESTERN LAKE ERIE. WIND LIGHT BECOMING SOUTHEAST 10 KNOTS NEAR MIDNIGHT THEN INCREASING TO SOUTHWEST 20 EARLY FRIDAY MORNING. WIND DIMINISHING TO SOUTHWEST 15 FRIDAY AFTERNOON AND TO LIGHT FRIDAY EVENING. SCATTERED SHOWERS FRIDAY WITH A RISK OF THUNDERSTORMS. FOG PATCHES FORMING FRIDAY EVENING. EASTERN LAKE ERIE. WIND SOUTHWEST 10 KNOTS BECOMING LIGHT NEAR MIDNIGHT THEN INCREASING TO SOUTH 15 EARLY FRIDAY MORNING. WIND VEERING TO SOUTHWEST 20 LATE FRIDAY MORNING THEN DIMINISHING TO WEST 10 FRIDAY EVENING. SCATTERED SHOWERS FRIDAY WITH A RISK OF THUNDERSTORMS. FOG PATCHES FORMING FRIDAY EVENING. WESTERN LAKE ONTARIO. WIND SOUTHWEST 10 KNOTS BECOMING LIGHT THIS EVENING THEN INCREASING TO SOUTHEAST 15 FRIDAY MORNING. WIND VEERING TO SOUTHWEST 20 NEAR NOON FRIDAY THEN TO NORTHWEST 15 FRIDAY EVENING. RAIN FRIDAY MORNING AND AFTERNOON WITH A RISK OF FREEZING RAIN FRIDAY MORNING CHANGING TO SCATTERED SHOWERS. VISIBILITY AS LOW AS 1 MILE IN RAIN. EASTERN LAKE ONTARIO. WIND SOUTHWEST 15 KNOTS DIMINISHING TO WEST 10 THIS EVENING THEN BECOMING LIGHT NEAR MIDNIGHT. WIND INCREASING TO SOUTHEAST 15 FRIDAY MORNING THEN VEERING TO SOUTH 20 NEAR NOON FRIDAY. WIND DIMINISHING TO NORTH 15 FRIDAY EVENING. SCATTERED SHOWERS OR SCATTERED FLURRIES THIS EVENING. SNOW FRIDAY MORNING WITH A RISK OF FREEZING RAIN. RAIN FRIDAY AFTERNOON. SCATTERED SHOWERS FRIDAY EVENING. VISIBILITY AS LOW AS 1 MILE IN PRECIPITATION. KINGSTON TO CORNWALL. WIND SOUTHWEST 15 KNOTS DIMINISHING TO WEST 10 THIS EVENING THEN BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING SOUTH 15 NEAR NOON FRIDAY THEN DIMINISHING TO NORTHEAST 10 FRIDAY AFTERNOON. SCATTERED SHOWERS OR SCATTERED FLURRIES THIS EVENING. PERIODS OF SNOW FRIDAY. VISIBILITY AS LOW AS 1 MILE IN SNOW. END