FQCN13 CWTO 311431
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 TUESDAY 31 MARCH 2026 FOR TODAY TONIGHT AND
WEDNESDAY.
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 DIMINISHING TO NORTH 15 THIS EVENING THEN
 VEERING TO NORTHEAST 15 EARLY WEDNESDAY MORNING. WIND DIMINISHING TO
 NORTHEAST 10 NEAR NOON WEDNESDAY. PERIODS OF SNOW ENDING NEAR
 MIDNIGHT. VISIBILITY 1 MILE OR LESS IN SNOW.

EASTERN LAKE SUPERIOR.
WIND NORTHEAST 25 KNOTS DIMINISHING TO NORTHEAST 15 EARLY WEDNESDAY
 MORNING. PERIODS OF SNOW ENDING NEAR MIDNIGHT. VISIBILITY 1 MILE OR
 LESS IN SNOW.

WHITEFISH BAY.
WIND NORTHEAST 15 KNOTS DIMINISHING TO NORTHEAST 10 NEAR NOON THEN
 BACKING TO NORTH 10 EARLY THIS EVENING. WIND INCREASING TO NORTH 15
 NEAR MIDNIGHT THEN DIMINISHING TO NORTHEAST 10 EARLY WEDNESDAY
 MORNING. RAIN WITH A RISK OF FREEZING RAIN LATE THIS MORNING
 CHANGING TO PERIODS OF SNOW THIS AFTERNOON AND ENDING NEAR MIDNIGHT.

NORTHERN LAKE HURON.
WIND NORTHEAST 20 KNOTS BACKING TO NORTH 15 THIS EVENING THEN VEERING
 TO NORTHEAST 15 WEDNESDAY MORNING. WIND INCREASING TO NORTHEAST 20
 WEDNESDAY EVENING. PERIODS OF RAIN ENDING THIS EVENING WITH A RISK
 OF THUNDERSTORMS.

SOUTHERN LAKE HURON.
WIND VARIABLE 15 KNOTS BECOMING NORTH 15 EARLY THIS EVENING THEN
 INCREASING TO NORTH 20 LATE THIS EVENING. WIND VEERING TO NORTHEAST
 20 NEAR NOON WEDNESDAY. PERIODS OF RAIN AND FOG PATCHES ENDING NEAR
 MIDNIGHT WITH A RISK OF THUNDERSTORMS.

NORTHERN GEORGIAN BAY.
WIND NORTHEAST 20 KNOTS BACKING TO NORTH 15 NEAR MIDNIGHT THEN
 VEERING TO NORTHEAST 15 NEAR NOON WEDNESDAY. WIND INCREASING TO
 NORTHEAST 20 WEDNESDAY EVENING. PERIODS OF RAIN ENDING THIS EVENING.

SOUTHERN GEORGIAN BAY.
WIND EAST 15 KNOTS BACKING TO NORTH 20 THIS EVENING THEN DIMINISHING
 TO NORTH 15 LATE OVERNIGHT. WIND VEERING TO NORTHEAST 15 WEDNESDAY
 EVENING. PERIODS OF RAIN AND FOG PATCHES ENDING NEAR MIDNIGHT WITH A
 RISK OF THUNDERSTORMS.

LAKE ST. CLAIR.
WIND SOUTHWEST 20 KNOTS VEERING TO WEST 15 EARLY THIS EVENING THEN TO
 NORTH 15 NEAR MIDNIGHT. WIND VEERING TO NORTHEAST 15 WEDNESDAY
 EVENING. SHOWERS AND FOG PATCHES ENDING WEDNESDAY MORNING WITH A
 RISK OF THUNDERSTORMS.

WESTERN LAKE ERIE.
WIND SOUTHWEST 20 KNOTS DIMINISHING TO NORTH 15 NEAR MIDNIGHT THEN
 VEERING TO NORTHEAST 15 NEAR NOON WEDNESDAY. WIND INCREASING TO
 NORTHEAST 20 WEDNESDAY EVENING. SHOWERS ENDING WEDNESDAY AFTERNOON.
 RISK OF THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES DISSIPATING
 WEDNESDAY MORNING.

EASTERN LAKE ERIE.
WIND SOUTHWEST 20 KNOTS VEERING TO NORTHWEST 15 LATE OVERNIGHT THEN
 TO NORTHEAST 15 WEDNESDAY MORNING. WIND INCREASING TO NORTHEAST 20
 WEDNESDAY EVENING. SHOWERS ENDING WEDNESDAY AFTERNOON. RISK OF
 THUNDERSTORMS TODAY AND TONIGHT. FOG PATCHES DISSIPATING WEDNESDAY
 MORNING.

WESTERN LAKE ONTARIO.
WIND SOUTHWEST 15 KNOTS EXCEPT EAST 15 OVER EASTERN SECTIONS. WIND
 BECOMING NORTHWEST 15 NEAR MIDNIGHT THEN DIMINISHING TO NORTH 10
 NEAR NOON WEDNESDAY. WIND VEERING TO NORTHEAST 10 WEDNESDAY EVENING.
 SHOWERS ENDING OVERNIGHT WITH A RISK OF THUNDERSTORMS. FOG PATCHES
 DISSIPATING WEDNESDAY MORNING.

EASTERN LAKE ONTARIO.
WIND NORTHEAST 10 KNOTS INCREASING TO NORTHEAST 15 NEAR NOON THEN
 BECOMING VARIABLE 15 EARLY THIS EVENING. WIND BECOMING NORTHWEST 15
 NEAR MIDNIGHT THEN VEERING TO NORTHEAST 15 NEAR NOON WEDNESDAY.
 SHOWERS ENDING OVERNIGHT WITH A RISK OF THUNDERSTORMS. FOG PATCHES
 DISSIPATING WEDNESDAY MORNING.

KINGSTON TO CORNWALL.
WIND NORTHEAST 15 KNOTS DIMINISHING TO NORTHEAST 10 EARLY THIS
 EVENING THEN BACKING TO NORTH 10 NEAR MIDNIGHT. WIND VEERING TO
 NORTHEAST 10 WEDNESDAY EVENING. PERIODS OF RAIN ENDING WEDNESDAY
 MORNING. RISK OF THUNDERSTORMS LATE THIS AFTERNOON AND THIS EVENING.

END