St Ives sea weather & tides
Find the right time for your activities on the water in St Ives.
config.js, then republish.Checking weather, tides, water quality and activity windows.
Choose a coastal location
Search for a town or beach to see its live weather, tide times, water-quality information and activity windows.
The day at a glance
Today’s weather
- Rain
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- Breeze
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- Sunrise
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- Sunset
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- Next high
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- Next low
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- Sea temp
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- Wind dir
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- Swell range
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Weather by WeatherAPI.com · Tide data by TideCheck
Checking water quality…Checking Environment Agency and Southern Water information. ViewSeyva matches
Activities today
Checking every suitable window…
📍 Near St Ives
Through the day
Hourly weather
Sea level
Tides today
More detail
Coastal conditions
- Sea temp
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- Waves
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- Swell range
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- Daylight
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- UV / visibility
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Plan around your activities
Use the website for a quick check. Set your own preferences in the free app; add tracking and change alerts with Seyva+.
Compare Free & Seyva+St Ives sea conditions for swimming, paddleboarding and kayaking
Live St Ives forecast: Today and tomorrow’s temperature, rain chance, wind speed and direction, tide times, water-quality checks and activity windows load in the outlook above.
St Ives sits around St Ives Bay, with the harbour, Porthminster and Porthmeor beaches facing different directions around the town. The bay and surrounding headlands can alter wind and swell exposure, while the harbour and changing sand or beach levels affect access.
Local practical checks
- Name the exact beach or harbour-side access in your plan because the bay is not uniform.
- Compare the forecast with the swell direction and what is happening around the headlands on arrival.
The outlook uses provider-backed weather and tide information for St Ives and the nearby west Cornwall coast. Use the five-day selector to compare the returned forecast days. A suggested window is planning information, not a safety decision.