Bite in Samui today — weak 🎣
Pressure is steady, water +30° — most active: cod and horse mackerel. Forecast by fish species and for the week ahead.
Bite forecast →
Water bodies in Samui 🌊
Map of water bodies in Samui
Water temperature in Samui for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +25°. The monthly normal is below.
Monthly water temperature in Samui 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +24 | +24 | +23 | +24 | +24 | +25 | +25 | +25 | +27 | +26 | +25 | +24 |
Climate normal (model estimate).
Water temperature archive in Samui on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +28° | +31° | +33° | +33° | +31° | +29° | +28° | +30° | +32° | +33° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Samui 🏖️
Where else to swim nearby 🏝️
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FAQ about water in Samui ❓
What is the water temperature in Samui now?
Now +30° — Warm water.
When to swim in Samui?
Comfortable season — from January to December.
When is the water in Samui warmest?
Warmest in September — up to +27°.
What bodies of water are there in Samui?
Gulf of Thailand.
Water temperature in Samui — in detail
A summary page of water temperature across all bodies of water in Samui: Gulf of Thailand. Now about +30°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.