FQCN13 CWTO 242225
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 24 APRIL 2025 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 VARIABLE 10 KNOTS BECOMING NORTHEAST 10 NEAR MIDNIGHT THEN
 BACKING TO NORTH 10 NEAR NOON FRIDAY. WIND INCREASING TO NORTH 15
 FRIDAY EVENING.

EASTERN LAKE SUPERIOR.
WIND VARIABLE 10 KNOTS INCREASING TO NORTHEAST 15 NEAR MIDNIGHT THEN
 DIMINISHING TO NORTHEAST 10 FRIDAY MORNING. WIND INCREASING TO NORTH
 15 FRIDAY AFTERNOON. PERIODS OF RAIN OVERNIGHT AND FRIDAY. FOG
 PATCHES DISSIPATING FRIDAY EVENING.

WHITEFISH BAY.
WIND NORTHWEST 10 KNOTS BECOMING LIGHT THIS EVENING THEN BECOMING
 NORTH 10 FRIDAY MORNING. WIND INCREASING TO NORTH 15 FRIDAY EVENING.
 PERIODS OF RAIN OVERNIGHT AND FRIDAY. FOG PATCHES.

NORTHERN LAKE HURON.
WIND NORTHWEST 10 KNOTS BECOMING VARIABLE 10 THIS EVENING THEN
 INCREASING TO EAST 15 LATE OVERNIGHT. WIND BACKING TO NORTHEAST 15
 FRIDAY AFTERNOON THEN TO NORTH 20 FRIDAY EVENING. SCATTERED SHOWERS
 AND FOG PATCHES. RISK OF THUNDERSTORMS FRIDAY AFTERNOON AND EVENING.

SOUTHERN LAKE HURON.
WIND NORTH 15 KNOTS DIMINISHING TO NORTHEAST 10 NEAR MIDNIGHT THEN
 INCREASING TO EAST 15 EARLY FRIDAY MORNING. WIND DIMINISHING TO
 VARIABLE 10 FRIDAY AFTERNOON THEN INCREASING TO NORTH 20 FRIDAY
 EVENING. SHOWERS OVERNIGHT AND FRIDAY. RISK OF THUNDERSTORMS FRIDAY
 AFTERNOON AND EVENING. FOG PATCHES DISSIPATING NEAR MIDNIGHT. FOG
 PATCHES REFORMING NEAR NOON FRIDAY.

NORTHERN GEORGIAN BAY.
WIND LIGHT BECOMING EAST 10 KNOTS LATE OVERNIGHT THEN INCREASING TO
 NORTHEAST 15 EARLY FRIDAY MORNING. SCATTERED SHOWERS AND FOG
 PATCHES. RISK OF THUNDERSTORMS FRIDAY AFTERNOON AND EVENING.

SOUTHERN GEORGIAN BAY.
WIND NORTHWEST 10 KNOTS BECOMING VARIABLE 10 THIS EVENING THEN
 INCREASING TO EAST 15 EARLY FRIDAY MORNING. WIND VEERING TO
 SOUTHEAST 15 FRIDAY AFTERNOON. SHOWERS OVERNIGHT AND FRIDAY. RISK OF
 THUNDERSTORMS FRIDAY AFTERNOON AND EVENING. FOG PATCHES FORMING THIS
 EVENING.

LAKE ST. CLAIR.
WIND VARIABLE 10 KNOTS BECOMING SOUTHEAST 10 EARLY FRIDAY MORNING
 THEN BECOMING VARIABLE 10 FRIDAY AFTERNOON. SCATTERED SHOWERS
 OVERNIGHT AND FRIDAY WITH A RISK OF THUNDERSTORMS.

WESTERN LAKE ERIE.
WIND EAST 10 KNOTS INCREASING TO EAST 15 NEAR MIDNIGHT THEN
 DIMINISHING TO SOUTHEAST 10 EARLY FRIDAY MORNING. WIND BECOMING
 VARIABLE 10 FRIDAY EVENING. SCATTERED SHOWERS AND FOG PATCHES
 OVERNIGHT AND FRIDAY WITH A RISK OF THUNDERSTORMS.

EASTERN LAKE ERIE.
WIND LIGHT BECOMING NORTHEAST 15 KNOTS NEAR MIDNIGHT THEN DIMINISHING
 TO VARIABLE 10 FRIDAY MORNING. WIND BECOMING SOUTH 10 FRIDAY
 EVENING. SCATTERED SHOWERS OVERNIGHT AND FRIDAY. RISK OF
 THUNDERSTORMS FRIDAY. FOG PATCHES FORMING NEAR NOON FRIDAY.

WESTERN LAKE ONTARIO.
WIND LIGHT BECOMING EAST 15 KNOTS EARLY FRIDAY MORNING THEN
 DIMINISHING TO EAST 10 FRIDAY EVENING. SCATTERED SHOWERS FRIDAY WITH
 A RISK OF THUNDERSTORMS. FOG PATCHES FORMING NEAR MIDNIGHT.

EASTERN LAKE ONTARIO.
WIND LIGHT BECOMING NORTHEAST 15 KNOTS EARLY FRIDAY MORNING.
 SCATTERED SHOWERS THIS EVENING WITH A RISK OF THUNDERSTORMS.
 SCATTERED SHOWERS FRIDAY WITH A RISK OF THUNDERSTORMS. FOG PATCHES
 FORMING NEAR MIDNIGHT AND DISSIPATING NEAR NOON FRIDAY.

KINGSTON TO CORNWALL.
WIND LIGHT BECOMING NORTHEAST 10 KNOTS NEAR NOON FRIDAY. SCATTERED
 SHOWERS THIS EVENING WITH A RISK OF THUNDERSTORMS. SCATTERED SHOWERS
 FRIDAY. RISK OF THUNDERSTORMS FRIDAY AFTERNOON AND EVENING. FOG
 PATCHES FORMING NEAR MIDNIGHT AND DISSIPATING NEAR NOON FRIDAY.

END