Comfortable for swimming. Now in the Celtic Sea +21°. Swimming season — from May to October.
Water temperature map of the Celtic Sea
ColderWarmer
Water temperature in the Celtic Sea by city for 3 days 📍
+23°
Dublin
+25°
Santander
+20°
Blekpul
+26°
Bilbao
+24°
Kork
+21°
Dublin
+23°
Penzans
+28°
La-Korunya
+26°
San-Sebastyan
+22°
Plymouth
+23°
Saint-Brieuc
+24°
Tonkedek
| City | for 3 days | Swimming |
|---|---|---|
| Dublin | +23° | Comfortable for swimming |
| Santander | +25° | Warm water |
| Blekpul | +20° | Comfortable for swimming |
| Bilbao | +26° | Warm water |
| Kork | +24° | Warm water |
| Dublin | +21° | Comfortable for swimming |
| Penzans | +23° | Comfortable for swimming |
| La-Korunya | +28° | Warm water |
| San-Sebastyan | +26° | Warm water |
| Plymouth | +22° | Comfortable for swimming |
| Saint-Brieuc | +23° | Comfortable for swimming |
| Tonkedek | +24° | Warm water |
| Direnon | +24° | Warm water |
| Larmor-Plyazh | +23° | Warm water |
| Notr-Dam-de-Mon | +24° | Warm water |
| Andiyi | +25° | Warm water |
| Mevadzhissi | +24° | Warm water |
| Pil | +20° | Comfortable for swimming |
| A Coruna | +28° | Warm water |
| Sada | +27° | Warm water |
| Dinar | +24° | Warm water |
| Gijon | +26° | Warm water |
| Arteykho | +27° | Warm water |
| Foksrok | +23° | Comfortable for swimming |
| Blackpool | +20° | Comfortable for swimming |
| Anglet | +26° | Warm water |
| Kambre | +28° | Warm water |
| Nyukvey | +24° | Warm water |
| Ormskirk | +22° | Comfortable for swimming |
| Arklou | +22° | Comfortable for swimming |
| Bilbao | +26° | Warm water |
| Pontipridd | +23° | Comfortable for swimming |
| San Sebastian | +25° | Warm water |
| Challans | +24° | Warm water |
| Culleredo | +28° | Warm water |
| Ayvibridzh | +22° | Comfortable for swimming |
| Finglas | +22° | Comfortable for swimming |
| Torquay | +22° | Comfortable for swimming |
| Penzance | +23° | Warm water |
| Balbriggan | +22° | Comfortable for swimming |
🎣 Fishing in cities on the Celtic Sea
Water temperature forecast in the Celtic Sea for 3 days 📅
Friday
21 August
+24°
Saturday
22 August
+24°
Sunday
23 August
+24°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Celtic Sea for 3 days 📈
+24°
minimum for 3 days
+24°
maximum for 3 days
→
steady
🏊
For 3 days: the water will warm to +24° — great for swimming.
Water questions for 3 days ❓
What is the water in the Celtic Sea for 3 days?
From +24° to +24° by the climate model; trend — steady.
Will the water warm up by the weekend?
On Saturday about +24°.
Can you swim in the Celtic Sea for 3 days?
the water will warm to +24° — great for swimming.
Water temperature forecast in the Celtic Sea for 3 days. Daily values and by-city temperatures for this horizon to plan a trip and a swim. Full reference data — map, monthly climate normal, yearly archive and swimming season — is on the main page.