This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Bite in Lisburn today — good 🎣
Pressure is steady, water +21° — most active: horse mackerel and mackerel. Forecast by fish species and for the week ahead.
Bite forecast →
Water bodies in Lisburn 🌊
Map of water bodies in Lisburn
Water temperature in Lisburn for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +15°. The monthly normal is below.
Monthly water temperature in Lisburn 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +7 | +7 | +6 | +7 | +10 | +13 | +15 | +15 | +15 | +13 | +10 | +8 |
Climate normal (model estimate).
Water temperature archive in Lisburn on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +23° | +22° | +21° | +21° | +22° | +23° | +23° | +22° | +21° | +21° |
Climate normal (model estimate for this date), not a measurement archive.
Where else to swim nearby 🏝️
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FAQ about water in Lisburn ❓
What is the water temperature in Lisburn now?
Now +21° — Comfortable for swimming.
When is the water in Lisburn warmest?
Warmest in July — up to +15°.
What bodies of water are there in Lisburn?
Celtic Sea.
Water temperature in Lisburn — in detail
A summary page of water temperature across all bodies of water in Lisburn: Celtic Sea. Now about +21°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.