FQCN13 CWTO 181425
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 18 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 NORTHWEST 25 KNOTS BACKING TO WEST 25 NEAR NOON THEN VEERING TO
 NORTHWEST 25 THIS EVENING. WIND DIMINISHING TO NORTHWEST 15 SUNDAY
 EVENING. SCATTERED FLURRIES ENDING SUNDAY MORNING.

EASTERN LAKE SUPERIOR.
WIND NORTHWEST 30 KNOTS BACKING TO WEST 30 THIS AFTERNOON THEN
 VEERING TO NORTHWEST 25 NEAR MIDNIGHT. WIND DIMINISHING TO NORTHWEST
 15 SUNDAY EVENING. SCATTERED SHOWERS OR SCATTERED FLURRIES BECOMING
 SCATTERED FLURRIES NEAR NOON AND ENDING SUNDAY MORNING. VISIBILITY 1
 MILE OR LESS IN FLURRIES.

WHITEFISH BAY.
WIND NORTHWEST 30 KNOTS BACKING TO WEST 25 EARLY THIS EVENING THEN
 VEERING TO NORTHWEST 25 LATE OVERNIGHT. WIND NORTHWEST 20 SUNDAY.
 SCATTERED SHOWERS OR SCATTERED FLURRIES BECOMING FLURRIES THIS
 AFTERNOON AND ENDING NEAR NOON SUNDAY. VISIBILITY 1 MILE OR LESS IN
 FLURRIES.

NORTHERN LAKE HURON.
WIND SOUTH 25 KNOTS INCREASING TO NORTHWEST 30 NEAR NOON THEN
 DIMINISHING TO NORTHWEST 20 EARLY THIS EVENING. WIND BACKING TO WEST
 15 NEAR MIDNIGHT THEN VEERING TO NORTHWEST 20 NEAR NOON SUNDAY. WIND
 INCREASING TO NORTHWEST 25 SUNDAY EVENING. SCATTERED SHOWERS OR
 SCATTERED FLURRIES BECOMING SCATTERED FLURRIES OVERNIGHT AND ENDING
 SUNDAY AFTERNOON.

SOUTHERN LAKE HURON.
WIND SOUTH 25 KNOTS VEERING TO WEST 20 NEAR NOON THEN DIMINISHING TO
 WEST 15 NEAR MIDNIGHT. WIND VEERING TO NORTHWEST 20 SUNDAY AFTERNOON
 THEN INCREASING TO NORTHWEST 25 SUNDAY EVENING. SCATTERED SHOWERS OR
 SCATTERED FLURRIES BECOMING SCATTERED FLURRIES SUNDAY EVENING.

NORTHERN GEORGIAN BAY.
WIND SOUTHEAST 25 KNOTS BECOMING WEST 25 NEAR NOON THEN VEERING TO
 NORTHWEST 20 THIS EVENING. WIND BACKING TO WEST 15 LATE OVERNIGHT
 THEN VEERING TO NORTHWEST 20 NEAR NOON SUNDAY. SHOWERS ENDING NEAR
 MIDNIGHT. SCATTERED FLURRIES SUNDAY MORNING.

SOUTHERN GEORGIAN BAY.
WIND SOUTH 25 KNOTS VEERING TO SOUTHWEST 20 NEAR NOON THEN TO WEST 20
 THIS AFTERNOON. WIND VEERING TO NORTHWEST 20 THIS EVENING THEN
 DIMINISHING TO NORTHWEST 15 LATE OVERNIGHT. WIND BACKING TO WEST 15
 SUNDAY MORNING THEN VEERING TO NORTHWEST 20 SUNDAY AFTERNOON.
 SHOWERS ENDING NEAR MIDNIGHT. SCATTERED FLURRIES OR SCATTERED
 SHOWERS SUNDAY.

LAKE ST. CLAIR.
WIND SOUTHWEST 20 KNOTS VEERING TO NORTHWEST 20 THIS AFTERNOON THEN
 BACKING TO WEST 15 LATE OVERNIGHT. WIND VEERING TO NORTHWEST 20
 SUNDAY AFTERNOON THEN TO NORTH 15 SUNDAY EVENING. SCATTERED SHOWERS
 ENDING THIS EVENING. RISK OF THUNDERSTORMS LATE THIS MORNING AND
 THIS AFTERNOON. SCATTERED SHOWERS SUNDAY AFTERNOON AND EVENING
 BECOMING SCATTERED FLURRIES OR SCATTERED SHOWERS.

WESTERN LAKE ERIE.
WIND SOUTHWEST 20 KNOTS VEERING TO WEST 20 THIS AFTERNOON THEN TO
 NORTHWEST 20 SUNDAY AFTERNOON. WIND VEERING TO NORTH 15 SUNDAY
 EVENING. SHOWERS ENDING NEAR MIDNIGHT WITH A RISK OF THUNDERSTORMS.
 SCATTERED SHOWERS SUNDAY AFTERNOON AND EVENING BECOMING SCATTERED
 FLURRIES OR SCATTERED SHOWERS.

EASTERN LAKE ERIE.
WIND SOUTH 25 KNOTS VEERING TO SOUTHWEST 25 NEAR NOON THEN TO WEST 20
 EARLY THIS EVENING. WIND VEERING TO NORTHWEST 20 SUNDAY EVENING.
 SHOWERS THIS AFTERNOON AND TONIGHT WITH A RISK OF THUNDERSTORMS.
 SCATTERED SHOWERS OR SCATTERED FLURRIES SUNDAY LATE IN THE DAY.

WESTERN LAKE ONTARIO.
WIND SOUTHEAST 15 KNOTS VEERING TO SOUTHWEST 20 THIS AFTERNOON THEN
 TO NORTHWEST 15 THIS EVENING. WIND BACKING TO WEST 15 EARLY SUNDAY
 MORNING THEN VEERING TO NORTHWEST 15 SUNDAY EVENING. SHOWERS THIS
 AFTERNOON AND TONIGHT. RISK OF THUNDERSTORMS THIS AFTERNOON AND THIS
 EVENING. SCATTERED SHOWERS OR SCATTERED FLURRIES SUNDAY AFTERNOON
 AND EVENING.

EASTERN LAKE ONTARIO.
WIND SOUTHEAST 20 KNOTS VEERING TO SOUTH 20 NEAR NOON THEN TO WEST 20
 EARLY THIS EVENING. WIND VEERING TO NORTHWEST 15 NEAR MIDNIGHT THEN
 BACKING TO WEST 15 SUNDAY MORNING. WIND INCREASING TO WEST 20 SUNDAY
 EVENING. SHOWERS THIS AFTERNOON AND THIS EVENING WITH A RISK OF
 THUNDERSTORMS. SCATTERED FLURRIES OR SCATTERED SHOWERS OVERNIGHT AND
 SUNDAY MORNING. SCATTERED SHOWERS OR SCATTERED FLURRIES SUNDAY LATE
 IN THE DAY.

KINGSTON TO CORNWALL.
WIND SOUTHEAST 15 KNOTS VEERING TO SOUTH 20 THIS AFTERNOON THEN TO
 SOUTHWEST 15 EARLY THIS EVENING. WIND VEERING TO WEST 15 LATE
 OVERNIGHT THEN DIMINISHING TO WEST 10 SUNDAY AFTERNOON. SHOWERS
 BEGINNING THIS EVENING WITH A RISK OF THUNDERSTORMS EARLY THIS
 EVENING BECOMING SCATTERED FLURRIES OR SCATTERED SHOWERS SUNDAY
 MORNING AND ENDING SUNDAY MORNING. SCATTERED SHOWERS OR SCATTERED
 FLURRIES SUNDAY LATE IN THE DAY.

END