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 the week 📍
+23°
Dublin
+25°
Santander
+20°
Blekpul
+26°
Bilbao
+24°
Kork
+21°
Dublin
+23°
Penzans
+27°
La-Korunya
+26°
San-Sebastyan
+22°
Plymouth
+23°
Saint-Brieuc
+24°
Tonkedek
| City | for the week | 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 | +27° | 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 | +23° | 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 | +23° | 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 the week 📅
Wednesday
19 August
+24°
Thursday
20 August
+24°
Friday
21 August
+24°
Saturday
22 August
+24°
Sunday
23 August
+24°
Monday
24 August
+24°
Tuesday
25 August
+23°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Celtic Sea for the week 📈
+23°
minimum for the week
+24°
maximum for the week
→
steady
🏊
For the week: the water will warm to +24° — great for swimming.
This weekend 🏖️
Saturday, 22 August · water +24° · warm water
Sunday, 23 August · water +24° · warm water
Water questions for the week ❓
What is the water in the Celtic Sea for the week?
From +23° 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 the week?
the water will warm to +24° — great for swimming.
Water temperature forecast in the Celtic Sea for the week. 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.