Month-specific sea-surface temperature · Bonaire

Kralendijk Sea Temperature in October

30.1°C

86.2°F

In October, sea-surface temperature near Kralendijk has a historical monthly average of 30.1°C. This is not the reading for any particular holiday date.

Across 2023–2025, the lowest and highest yearly October monthly means were 29.7–30.4°C. These are not daily extremes.

Previous month

September · 29.7°C

Change into October: +0.4°C

Next month

November · 29.3°C

Change into next month: -0.8°C

Can you swim or snorkel in Kralendijk in October?

At 30.1°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 October. Check again close to your trip.

Waves and wind: recorded-model conditions for October

These figures come from a separately modelled, date-specific wind/wave backfill, not the NOAA SST series. A single observed season is not a climatological likelihood or a guarantee of safe conditions.

Morning calm hours

28%

Afternoon calm hours

27%

Historical coverage

October 2025

31 valid days

A “calm hour” meets fixed modelled wave/wind thresholds; neither visibility nor local currents, entry conditions or actual beach safety is measured here. Periods may differ by coast.

Data source and limitations

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2023–2025. Marine model grid near 12.15, -68.28. 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.