Mamanuca Islands Sea Temperature

Updated Mon 05:51 (Pacific/Fiji)

Fiji · Forecast updated Aug 10, 2026, 05:51 UTC

Current Sea Temperature

26.0°C

78.8°F

Warm water

Versus this month's average

0.4°C above

The August average in our archive is 25.6°C (78.1°F).

Recent trend

Cooling by 0.4°C

Seven-day average: 25.4°C, versus 25.8°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 Mamanuca Islands, monthly averages range from about 25.6°C (78.1°F) in August to 26.9°C (80.4°F) in June.

Over the past 30 days, the average sea temperature in Mamanuca Islands has been 25.8°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	25.8°C / 78.5°F	26.3°C / 79.3°F
August	24.9°C / 76.8°F	25.6°C / 78.1°F	26.0°C / 78.8°F

Profile calculated from 1694 hourly forecast records across 3 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 26.0°C. Over the last 30 days, the average has been 25.8°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 August, at around 25.6°C (78.1°F).

At 26.0°C, the water is usually comfortable for swimming and snorkeling.

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