Marine Weather Net

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


THIS AFTERNOON

SW
WINDS
5 - 10
KNOTS

TONIGHT

SW
WINDS < 10
KNOTS

THURSDAY

S
WINDS
5 - 15
KNOTS

THURSDAY NIGHT

NW
WINDS
5 - 15
KNOTS

The Marine Weather Forecast In Detail:
SLZ022 Forecast Issued: 1002 AM EDT Wed Jun 18 2025

This Afternoon...Southwest Winds 5 To 10 Knots. A Chance Of Showers And Thunderstorms.
Tonight...Southwest Winds Less Than 10 Knots Becoming South. A Chance Of Showers And Thunderstorms In The Evening, Then A Chance Of Showers After Midnight. Showers Likely With A Chance Of Thunderstorms Late. Patchy Fog After Midnight.
Thursday...South Winds 5 To 15 Knots Becoming West. Showers With A Chance Of Thunderstorms.
Thursday Night...Northwest Winds 5 To 15 Knots. Showers In The Evening, Then A Chance Of Showers Overnight.
Friday...West Winds 10 Knots Or Less Becoming Southwest. A Chance Of Showers And Thunderstorms.
Saturday...Southwest Winds 5 To 10 Knots. A Chance Of Showers And Thunderstorms During The Day, Then Showers Likely With A Chance Of Thunderstorms Saturday Night.
Sunday...Southwest Winds 5 To 10 Knots. A Chance Of Showers During The Day. Winds And Waves Higher In And Near Thunderstorms.
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