Brockville Blockhouse Island Launch

St. Lawrence River · ramp

Brockville Blockhouse Island Launch

St. Lawrence River · ramp

0.0mChop

Latest model value

2kt69

Latest model value

Model forecast

2026-10-21T16:04:50.749Z

Marina scene at Niagara-on-the-Lake harbour with boats docked and red-roof boathouse

Wave Height0.0mModel value

Wind Speed2ktGUSTS 3kt

Air Temp9.7°CCold Water Warning

Data SourceModel forecast2026-10-21, 12:04:50 p.m. EDT

24-Hour Wave Forecast

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Safety context

Conditions can differ at the ramp and on your route. Check official warnings, local notices, visibility and your boat's operating limits. You are responsible for the launch decision.

Cold water can affect breathing and muscle control immediately. Wear a properly fitted Canadian-approved lifejacket or PFD.

Open official marine forecast Transport Canada lifejacket guidance

Official Forecast

Environment Canada · Kingston to Cornwall

Issued Oct 21, 10:30 EDT

Today Tonight and Thursday.

Wind

Wind light becoming north 10 knots Thursday afternoon.

Extended Outlook

Friday

Wind light.

Saturday

Wind light.

Sunday

Wind light.

View full forecast on weather.gc.ca →

Not for navigation. Verify official charts and local conditions.

Technical Logistics

Surfaceunverified

Lanes1

DockNone

ParkingNone

FeeFree

Seasonunknown

Accesspublic

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