Brockville Blockhouse Island Launch

St. Lawrence River · ramp

Brockville Blockhouse Island Launch

St. Lawrence River · ramp

0.0mChop

Latest model value

8kt292

Latest model value

Model forecast

2026-09-04T19:30:38.462Z

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

Wave Height0.0mModel value

Wind Speed8ktGUSTS 11kt

Air Temp23.7°C

Data SourceModel forecast2026-09-04, 3:30:38 p.m. EDT

24-Hour Wave Forecast

15h

16h

17h

18h

19h

20h

21h

22h

23h

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.

Open official marine forecast Transport Canada lifejacket guidance

Official Forecast

Environment Canada · Kingston to Cornwall

Issued Sep 4, 10:30 EDT

Today Tonight and Saturday.

Wind

Wind light today tonight and Saturday.

Visibility / Precipitation

Scattered showers tonight and Saturday.

Extended Outlook

Sunday

Wind light.

Monday

Wind light.

Tuesday

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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