Warm water. Now +24°. Swimming season — Jun–Sep.
Bite in Cheonan today — moderate 🎣
Pressure is steady, water +31° — most active: horse mackerel and mackerel. Forecast by fish species and for the week ahead.
Bite forecast →
Cheonan
4/10
🐟 horse mackerel · mackerel · Pogoda 1
Water bodies in Cheonan 🌊
Map of water bodies in Cheonan
ColderWarmerpoint → water body page
Water temperature in Cheonan for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +23°. The monthly normal is below.
Monthly water temperature in Cheonan 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | +2 | +5 | +11 | +16 | +21 | +23 | +23 | +21 | +16 | +10 | +2 |
Climate normal (model estimate).
Water temperature archive in Cheonan on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +29° | +31° | +32° | +30° | +29° | +28° | +29° | +31° | +32° | +31° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Cheonan 🏖️
🏖️
Best to swim in Jun–Sep, when the water warms to +17° and above.
Where else to swim nearby 🏝️
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FAQ about water in Cheonan ❓
What is the water temperature in Cheonan now?
Now +24° — Warm water.
When to swim in Cheonan?
Comfortable season — Jun–Sep.
When is the water in Cheonan warmest?
In Jul — up to +23°.
What bodies of water are there in Cheonan?
Yellow Sea.
Water temperature in Cheonan — in detail
A summary page of water temperature across all bodies of water in Cheonan: Yellow Sea. Now about +24°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.