Month-specific sea-surface temperature · Fiji

Mamanuca Islands Sea Temperature in March

29.5°C

85.1°F

In March, sea-surface temperature near Mamanuca Islands has a historical monthly average of 29.5°C. This is not the reading for any particular holiday date.

Across 2023–2025, the lowest and highest yearly March monthly means were 29.4–29.6°C. These are not daily extremes.

Previous month

February · 29.8°C

Change into March: -0.3°C

Next month

April · 29.6°C

Change into next month: +0.1°C

Can you swim or snorkel in Mamanuca Islands in March?

At 29.5°C our temperature-only guide describes the water as very warm water. Comfort depends on your cold tolerance, immersion time and wind. A historical average cannot determine whether conditions are safe on any given day.

Do you need a wetsuit?

Swimwear is usually enough; a rash guard adds sun protection.

Which beach should you choose?

Look for a beach sheltered from the actual forecast waves and wind on your visit. Exposure, currents and entry conditions vary even where water temperatures are similar. Follow local warnings.

Check the current waves, wind and snorkeling forecast →

A live forecast does not predict a future March. Check again close to your trip.

Mamanuca Islands Sea Temperature: All 12 Months

Choose a month for available historical evidence, month comparisons and swim guidance. Missing history is clearly marked and never presented as a long-term normal.

January 29.6°C February 29.8°C March 29.5°C April 29.6°C May 28.8°C June 27.7°C July 26.8°C August 26.3°C September 26.5°C October 27.1°C November 28.1°C December 28.9°C

Data source and limitations

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2023–2025. Marine model grid near -17.67, 177.10. Based on 3 yearly monthly means and 2232 recorded samples. Source methodology.

Modelled sea-surface temperatures do not establish underwater visibility, wildlife, calm currents or safe entry.