FQCN13 CWTO 041425 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 FRIDAY 4 APRIL 2025 FOR TODAY TONIGHT AND SATURDAY. 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 LIGHT BECOMING SOUTHEAST 10 KNOTS THIS AFTERNOON THEN BECOMING VARIABLE 10 NEAR MIDNIGHT. WIND INCREASING TO NORTHWEST 20 EARLY SATURDAY MORNING. SHOWERS OR FLURRIES BEGINNING NEAR MIDNIGHT BECOMING FLURRIES SATURDAY MORNING AND ENDING NEAR NOON SATURDAY. EASTERN LAKE SUPERIOR. WIND LIGHT BECOMING SOUTHEAST 10 KNOTS THIS AFTERNOON THEN INCREASING TO SOUTHEAST 15 THIS EVENING. WIND DIMINISHING TO SOUTHEAST 10 LATE OVERNIGHT THEN INCREASING TO NORTHWEST 20 SATURDAY MORNING. WIND INCREASING TO NORTHWEST 25 NEAR NOON SATURDAY. SHOWERS OR FLURRIES EARLY SATURDAY MORNING CHANGING TO FLURRIES AND ENDING SATURDAY AFTERNOON. WHITEFISH BAY. WIND LIGHT BECOMING SOUTHEAST 10 KNOTS NEAR MIDNIGHT THEN INCREASING TO NORTHWEST 15 NEAR NOON SATURDAY. WIND INCREASING TO NORTHWEST 25 SATURDAY AFTERNOON. SCATTERED FLURRIES SATURDAY AFTERNOON. NORTHERN LAKE HURON. WIND LIGHT BECOMING EAST 15 KNOTS THIS EVENING THEN DIMINISHING TO NORTH 10 SATURDAY MORNING. WIND INCREASING TO NORTHWEST 15 SATURDAY AFTERNOON AND TO NORTHWEST 25 SATURDAY EVENING. SHOWERS SATURDAY. SOUTHERN LAKE HURON. WIND NORTH 10 KNOTS INCREASING TO NORTH 15 THIS AFTERNOON THEN VEERING TO EAST 15 THIS EVENING. WIND DIMINISHING TO NORTHEAST 10 EARLY SATURDAY MORNING THEN INCREASING TO NORTHWEST 15 NEAR NOON SATURDAY. WIND INCREASING TO NORTHWEST 20 SATURDAY EVENING. PERIODS OF RAIN OVERNIGHT AND SATURDAY. GEORGIAN BAY. WIND NORTHWEST 10 KNOTS BECOMING LIGHT NEAR NOON THEN BECOMING EAST 15 NEAR MIDNIGHT. WIND DIMINISHING TO NORTH 10 SATURDAY MORNING THEN INCREASING TO WEST 15 SATURDAY AFTERNOON. WIND VEERING TO NORTHWEST 20 SATURDAY EVENING. PERIODS OF RAIN SATURDAY. LAKE ST. CLAIR. WIND NORTHEAST 10 KNOTS INCREASING TO EAST 15 EARLY THIS EVENING THEN DIMINISHING TO EAST 10 LATE OVERNIGHT. WIND INCREASING TO NORTHWEST 15 SATURDAY MORNING THEN DIMINISHING TO NORTH 10 SATURDAY EVENING. PERIODS OF RAIN TONIGHT AND SATURDAY. FOG PATCHES FORMING OVERNIGHT AND DISSIPATING NEAR NOON SATURDAY. WESTERN LAKE ERIE. WIND NORTHEAST 15 KNOTS VEERING TO EAST 20 THIS EVENING THEN TO SOUTHEAST 15 LATE OVERNIGHT. WIND VEERING TO SOUTH 15 EARLY SATURDAY MORNING THEN BECOMING NORTHWEST 15 NEAR NOON SATURDAY. WIND DIMINISHING TO NORTH 10 SATURDAY EVENING. PERIODS OF RAIN AND FOG PATCHES TONIGHT AND SATURDAY. RISK OF THUNDERSTORMS OVERNIGHT AND SATURDAY MORNING. EASTERN LAKE ERIE. WIND NORTH 10 KNOTS VEERING TO NORTHEAST 10 NEAR NOON THEN INCREASING TO NORTHEAST 15 EARLY THIS EVENING. WIND INCREASING TO SOUTH 20 SATURDAY MORNING THEN VEERING TO SOUTHWEST 20 SATURDAY AFTERNOON. WIND VEERING TO NORTHWEST 15 SATURDAY EVENING. PERIODS OF RAIN AND FOG PATCHES OVERNIGHT AND SATURDAY. RISK OF THUNDERSTORMS OVERNIGHT AND SATURDAY MORNING. WESTERN LAKE ONTARIO. WIND NORTHWEST 10 KNOTS BECOMING LIGHT NEAR NOON THEN INCREASING TO EAST 15 THIS EVENING. WIND INCREASING TO EAST 20 LATE OVERNIGHT THEN DIMINISHING TO LIGHT SATURDAY AFTERNOON. WIND BECOMING NORTHWEST 15 SATURDAY EVENING. PERIODS OF RAIN OVERNIGHT AND SATURDAY. EASTERN LAKE ONTARIO. WIND WEST 10 KNOTS BACKING TO SOUTHWEST 10 NEAR NOON THEN BECOMING LIGHT EARLY THIS EVENING. WIND INCREASING TO EAST 15 NEAR MIDNIGHT AND TO EAST 20 EARLY SATURDAY MORNING. WIND VEERING TO SOUTHEAST 20 NEAR NOON SATURDAY THEN DIMINISHING TO WEST 15 SATURDAY EVENING. PERIODS OF RAIN SATURDAY. KINGSTON TO CORNWALL. WIND WEST 10 KNOTS BECOMING LIGHT NEAR NOON THEN BECOMING NORTHEAST 10 NEAR MIDNIGHT. WIND INCREASING TO SOUTHEAST 15 NEAR NOON SATURDAY THEN DIMINISHING TO SOUTH 10 SATURDAY EVENING. PERIODS OF RAIN SATURDAY. END