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

Time & Tide

Pressure - Atlantic (MSW)

Sea Temperatures

Sunrise, Sunset, moon phase

Tidal Flows - Dorset Coast

Tide Times - Poole Harbour

Ship Tracking

Vessel Finder

Travel

Foreign Office Travel Advisories

Google Flights

Hurricanes - NOAA

Water Quality

Coast Watch (Wessex Water)

Environment Agency Bathing Water Quality

Weather Forecasts

BBC Weather Forecast

Jet Stream Forecast

Wind Chill Calculator

WX Weather charts

XCWeather Forecast

Weather Radar

Met Office Rainfall Radar

Webcams

Club Webcams Page

Winds & Waves

Waves (Windy.com)

Waves Bournemouth (MSW)

Waves Poole (MSW)

Wind (Windy.com)