Marine Weather Net

Saint Lawrence River - Cape Vincent to Ogdensburg including the Thousand Islands Marine Forecast


TONIGHT

SW
WINDS
10
KNOTS

FRIDAY

N
WINDS < 10
KNOTS

FRIDAY NIGHT

NE
WINDS < 10
KNOTS

SATURDAY

SE
WINDS
5 - 15
KNOTS

The Marine Weather Forecast In Detail:
SLZ022 Forecast Issued: 412 PM EDT Thu Apr 16 2026

Tonight...Southwest Winds 10 Knots Or Less Becoming North. Showers With A Chance Of Thunderstorms Early, Then Showers Likely Late This Evening. A Chance Of Showers After Midnight.
Friday...North Winds Less Than 10 Knots Becoming Northeast. Mostly Cloudy Through Early Afternoon, Then Becoming Partly Sunny.
Friday Night...Northeast Winds Less Than 10 Knots. Mainly Clear In The Evening, Then Becoming Partly Cloudy.
Saturday...Southeast Winds 5 To 15 Knots Becoming South. A Chance Of Showers In The Afternoon.
Saturday Night...South Winds 10 To 15 Knots Becoming Southwest. Showers.
Sunday...West Winds 5 To 15 Knots Becoming Northwest. Rain Showers During The Day, Then A Chance Of Rain Showers Sunday Night.
Monday...Northwest Winds 10 Knots Or Less Becoming Southwest. Partly Cloudy, Then Becoming Mainly Clear.
Tuesday...South Winds 5 To 15 Knots Becoming Southwest. A Chance Of Rain Showers. Winds And Waves Higher In And Near Thunderstorms.
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