Comfortable for swimming. Now +21°.
Bite in Ulsan today — moderate 🎣
Pressure is steady, water +21° — most active: salmon and cod. Forecast by fish species and for the week ahead.
Bite forecast →
Ulsan
5/10
🐟 salmon · cod · Pogoda 1
Water bodies in Ulsan 🌊
Map of water bodies in Ulsan
ColderWarmerpoint → water body page
Water temperature in Ulsan for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +16°. The monthly normal is below.
Monthly water temperature in Ulsan 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | +2 | +7 | +10 | +15 | +16 | +16 | +9 | 0 | 0 |
Climate normal (model estimate).
Water temperature archive in Ulsan on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +30° | +31° | +31° | +31° | +30° | +30° | +30° | +30° | +31° | +31° |
Climate normal (model estimate for this date), not a measurement archive.
Where else to swim nearby 🏝️
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FAQ about water in Ulsan ❓
What is the water temperature in Ulsan now?
Now +21° — Comfortable for swimming.
When is the water in Ulsan warmest?
Warmest in August — up to +16°.
What bodies of water are there in Ulsan?
Sea of Japan.
Water temperature in Ulsan — in detail
A summary page of water temperature across all bodies of water in Ulsan: Sea of Japan. Now about +21°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.