Lydgate Beach Sea Temperature
Updated Wed 13:31 (Pacific/Honolulu)
USA · Forecast updated Aug 12, 2026, 13:31 UTC
Current Sea Temperature
26.6°C
79.9°F
Warm water
Versus this month's average
Close to average
The August average in our archive is 26.5°C (79.8°F).
Recent trend
Holding fairly steady
Seven-day average: 26.6°C, versus 26.6°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Lydgate Beach, monthly averages range from about 25.9°C (78.7°F) in June to 26.5°C (79.7°F) in July.
Over the past 30 days, the average sea temperature in Lydgate Beach has been 26.6°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 25.8°C / 78.4°F | 25.9°C / 78.7°F | 26.1°C / 79.0°F |
| July | 25.8°C / 78.4°F | 26.5°C / 79.7°F | 27.2°C / 81.0°F |
| August | 26.3°C / 79.3°F | 26.5°C / 79.8°F | 26.9°C / 80.4°F |
Profile calculated from 1154 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Lydgate Beach
Family-friendly protected lagoon with easier entries and reef fish.
- Area
- East Kauai
- Local timing
- Morning
- Exposure
- Rock-walled lagoon; still check surge
- Entry type
- Protected rock-walled swimming area
- Difficulty
- Easy
Lydgate Beach Water Temperature: Common Questions
What is the sea temperature in Lydgate Beach today?
The current sea surface temperature in Lydgate Beach is 26.6°C. Over the last 30 days, the average has been 26.6°C.
When is the water warmest in Lydgate Beach?
The warmest monthly average in the Lydgate Beach archive is July, at around 26.5°C (79.7°F).
When is the water coldest in Lydgate Beach?
The coldest monthly average in the archive is June, at around 25.9°C (78.7°F).
Can you swim in Lydgate Beach today?
At 26.6°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Lydgate Beach.
View Snorkel Forecast →