FQCN13 CWTO 210700
MARINE FORECASTS FOR THE CANADIAN PORTION OF THE GREAT LAKES AND THE
ONTARIO PORTION OF THE ST. LAWRENCE RIVER ISSUED BY ENVIRONMENT
CANADA AT 3:00 A.M. EDT SATURDAY 21 MARCH 2026 FOR TODAY TONIGHT AND
SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.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 EAST 15 KNOTS VEERING TO SOUTHEAST 15 EARLY THIS MORNING THEN
 INCREASING TO SOUTHEAST 20 LATE THIS MORNING. WIND BACKING TO
 NORTHEAST 20 THIS AFTERNOON THEN INCREASING TO NORTHEAST 25 NEAR
 MIDNIGHT. WIND DIMINISHING TO NORTHEAST 10 SUNDAY EVENING. SNOW
 TODAY AND THIS EVENING. VISIBILITY 1 MILE OR LESS IN SNOW.

EASTERN LAKE SUPERIOR.
WIND NORTH 10 KNOTS INCREASING TO EAST 15 EARLY THIS MORNING THEN
 VEERING TO SOUTHEAST 15 LATE THIS MORNING. WIND INCREASING TO
 SOUTHEAST 25 NEAR NOON THEN DIMINISHING TO EAST 15 EARLY THIS
 EVENING. WIND BACKING TO NORTHEAST 20 LATE THIS EVENING THEN
 INCREASING TO NORTHEAST 25 NEAR MIDNIGHT. WIND DIMINISHING TO
 NORTHEAST 15 SUNDAY AFTERNOON AND TO NORTHEAST 10 SUNDAY EVENING.
 SNOW TODAY AND THIS EVENING. VISIBILITY 1 MILE OR LESS IN SNOW.

WHITEFISH BAY.
WIND LIGHT BECOMING SOUTHEAST 10 KNOTS THIS MORNING THEN INCREASING
 TO SOUTHEAST 15 NEAR NOON. WIND DIMINISHING TO EAST 10 THIS EVENING
 THEN BACKING TO NORTHEAST 10 NEAR MIDNIGHT. WIND INCREASING TO
 NORTHEAST 15 SUNDAY MORNING THEN DIMINISHING TO NORTHEAST 10 SUNDAY
 EVENING. SNOW BEGINNING NEAR NOON CHANGING TO SCATTERED FLURRIES
 NEAR MIDNIGHT AND ENDING SUNDAY MORNING WITH A RISK OF FREEZING
 DRIZZLE. VISIBILITY 1 MILE OR LESS IN SNOW.

NORTHERN LAKE HURON.
WIND NORTHWEST 10 KNOTS BECOMING LIGHT EARLY THIS MORNING THEN
 BECOMING SOUTHEAST 15 LATE THIS MORNING. WIND DIMINISHING TO
 VARIABLE 10 NEAR MIDNIGHT EXCEPT SOUTH 20 OVER SOUTHERN SECTIONS.
 WIND BECOMING NORTHEAST 20 SUNDAY MORNING THEN DIMINISHING TO
 NORTHEAST 15 SUNDAY AFTERNOON. SNOW OR RAIN BEGINNING NEAR NOON
 CHANGING TO SCATTERED SHOWERS THIS EVENING AND ENDING NEAR NOON
 SUNDAY. VISIBILITY 1 MILE OR LESS IN PRECIPITATION.

SOUTHERN LAKE HURON.
WIND NORTH 10 KNOTS BECOMING LIGHT EARLY THIS MORNING THEN BECOMING
 SOUTH 10 LATE THIS MORNING. WIND INCREASING TO SOUTH 20 EARLY THIS
 EVENING THEN DIMINISHING TO SOUTHWEST 10 OVERNIGHT. WIND INCREASING
 TO NORTH 20 SUNDAY MORNING AND TO NORTH 25 SUNDAY AFTERNOON.
 SCATTERED SHOWERS THIS AFTERNOON AND TONIGHT. FOG PATCHES
 DISSIPATING THIS MORNING.

NORTHERN GEORGIAN BAY.
WIND LIGHT BECOMING EAST 10 KNOTS EARLY THIS MORNING THEN VEERING TO
 SOUTHEAST 10 NEAR NOON. WIND INCREASING TO SOUTHEAST 20 EARLY THIS
 EVENING THEN DIMINISHING TO SOUTHEAST 15 OVERNIGHT. WIND BACKING TO
 NORTHEAST 20 SUNDAY MORNING THEN TO NORTH 25 NEAR NOON SUNDAY.
 PERIODS OF SNOW OR RAIN BEGINNING THIS AFTERNOON CHANGING TO
 SCATTERED SHOWERS OVERNIGHT AND ENDING SUNDAY MORNING. FOG PATCHES
 DISSIPATING THIS MORNING. VISIBILITY 1 MILE OR LESS IN FOG PATCHES
 AND IN PRECIPITATION.

SOUTHERN GEORGIAN BAY.
WIND NORTHWEST 10 KNOTS BECOMING LIGHT EARLY THIS MORNING THEN
 BECOMING EAST 10 LATE THIS MORNING. WIND VEERING TO SOUTHEAST 10
 NEAR NOON THEN INCREASING TO SOUTHEAST 20 EARLY THIS EVENING. WIND
 VEERING TO SOUTH 15 OVERNIGHT THEN BECOMING NORTH 15 SUNDAY MORNING.
 WIND INCREASING TO NORTH 20 NEAR NOON SUNDAY THEN VEERING TO
 NORTHEAST 20 SUNDAY EVENING. PERIODS OF SNOW OR RAIN BEGINNING THIS
 AFTERNOON CHANGING TO SCATTERED SHOWERS NEAR MIDNIGHT AND ENDING
 NEAR NOON SUNDAY. FOG PATCHES DISSIPATING THIS MORNING. VISIBILITY 1
 MILE OR LESS IN FOG PATCHES AND IN PRECIPITATION.

LAKE ST. CLAIR.
WIND NORTH 10 KNOTS BECOMING LIGHT EARLY THIS MORNING THEN BECOMING
 SOUTHEAST 10 NEAR NOON. WIND VEERING TO SOUTH 10 THIS EVENING THEN
 INCREASING TO SOUTHWEST 15 NEAR MIDNIGHT. WIND BECOMING NORTH 15
 SUNDAY AFTERNOON THEN INCREASING TO NORTH 20 SUNDAY EVENING.
 SCATTERED SHOWERS SUNDAY AFTERNOON AND EVENING. FOG PATCHES
 DISSIPATING NEAR NOON.

WESTERN LAKE ERIE.
WIND NORTH 10 KNOTS VEERING TO NORTHEAST 10 EARLY THIS MORNING THEN
 TO EAST 10 THIS AFTERNOON. WIND INCREASING TO SOUTH 20 THIS EVENING
 THEN VEERING TO SOUTHWEST 20 NEAR MIDNIGHT. WIND BECOMING NORTH 20
 SUNDAY AFTERNOON THEN VEERING TO NORTHEAST 20 SUNDAY EVENING.
 SCATTERED SHOWERS SUNDAY LATE IN THE DAY. FOG PATCHES DISSIPATING
 NEAR NOON.

EASTERN LAKE ERIE.
WIND NORTH 10 KNOTS VEERING TO NORTHEAST 10 EARLY THIS MORNING THEN
 TO EAST 10 EARLY THIS EVENING. WIND INCREASING TO SOUTH 15 LATE THIS
 EVENING THEN VEERING TO SOUTHWEST 15 NEAR MIDNIGHT. WIND BECOMING
 NORTH 15 SUNDAY AFTERNOON THEN VEERING TO NORTHEAST 20 SUNDAY
 EVENING. SCATTERED SHOWERS SUNDAY LATE IN THE DAY. FOG PATCHES
 DISSIPATING THIS MORNING.

WESTERN LAKE ONTARIO.
WIND NORTH 10 KNOTS VEERING TO NORTHEAST 10 EARLY THIS MORNING THEN
 INCREASING TO EAST 15 NEAR NOON. WIND BACKING TO NORTHEAST 15
 OVERNIGHT. WIND NORTHEAST 15 SUNDAY. SHOWERS OVERNIGHT AND SUNDAY.

EASTERN LAKE ONTARIO.
WIND NORTH 10 KNOTS BECOMING LIGHT THIS MORNING THEN BECOMING EAST 10
 EARLY THIS EVENING. WIND INCREASING TO EAST 15 LATE THIS EVENING
 THEN DIMINISHING TO NORTHEAST 10 SUNDAY MORNING. WIND INCREASING TO
 NORTHEAST 20 SUNDAY AFTERNOON. PERIODS OF RAIN OVERNIGHT AND SUNDAY.

KINGSTON TO CORNWALL.
WIND LIGHT BECOMING NORTHEAST 10 KNOTS NEAR MIDNIGHT THEN INCREASING
 TO NORTHEAST 15 SUNDAY MORNING. PERIODS OF RAIN OVERNIGHT AND
 SUNDAY.

END