Mamanuca Islands Sea Temperature

Fiji · Forecast updated Jul 15, 2026, 06:57 UTC · refresh delayed

Current Sea Temperature

25.3°C

77.5°F

Warm water

Versus this month's average

0.4°C below

The July average in our archive is 25.7°C (78.2°F).

Recent trend

Holding fairly steady

Seven-day average: 25.6°C, versus 25.6°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 mean the sea is safe.

Sea Surface Temperature Over the Year

In the data collected for Mamanuca Islands, monthly averages range from about 25.7°C (78.2°F) in July to 26.9°C (80.4°F) in June.

Over the past 30 days, the average sea temperature in Mamanuca Islands has been 26.0°C.

Month	Min	Average	Max
June	26.0°C / 78.8°F	26.9°C / 80.4°F	28.2°C / 82.8°F
July	25.2°C / 77.4°F	25.7°C / 78.2°F	26.2°C / 79.2°F

Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.

Resort islands ringed by shallow coral and clear lagoon shallows.

The current sea surface temperature in Mamanuca Islands is 25.3°C. Over the last 30 days, the average has been 26.0°C.

The warmest monthly average in the Mamanuca Islands archive is June, at around 26.9°C (80.4°F).

The coldest monthly average in the archive is July, at around 25.7°C (78.2°F).

Yes — at 25.3°C the water is warm enough for comfortable swimming and snorkeling.

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Mamanuca Islands.