If you are planning a trip then you may find these links helpful -  they are mostly focused around Poole Harbour but its just a case of zooming out etc.

Maps

Google Satellite Map of the Coast

Marine Map of Poole Harbour

Much better Marine Map

OpenMap of the Coast

What Three Words

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Time & Tide

Pressure - Atlantic (MSW)

Sea Temperatures

Sunrise, Sunset, moon phase

Tidal Flows - Dorset Coast

Tide Times - Poole Harbour

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Ship Tracking

Vessel Finder

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Travel

Foreign Office Travel Advisories

Google Flights

Hurricanes - NOAA

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Water Quality

Coast Watch (Wessex Water)

Environment Agency Bathing Water Quality

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Weather Forecasts

BBC Weather Forecast

Wind Chill Calculator

XCWeather Forecast

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Weather Radar

Met Office Rainfall Radar

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Webcams

Club Webcams Page

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Winds & Waves

Waves (Windy.com)

Waves Bournemouth (MSW)

Waves Poole (MSW)

Wind (Windy.com)

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