Big Island Sea Temperature
USA · Updated hourly from satellite and marine data
Sea Surface Temperature Over the Year
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| Jun | — | — | — |
| Jul | — | — | — |
Based on recent forecast data collected for Big Island.
Big Island Water Temperature — Common Questions
What is the sea temperature in Big Island today?
When is the water warmest in Big Island?
Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.
When is the water coldest in Big Island?
Can you swim in Big Island today?
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Big Island.
View Snorkel Forecast →