Kerry, Ireland
Celtic Sea52.33°N, 9.84°WStation IR-KER-BAN

Banna Strand Sea Water Temperature

A temperate beach on the Celtic Sea, warmest around August at about 15.7°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Banna Strand water temperature

15.2
59.4°FVery Cold (< 16°C)

Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.

+0°vs Sep avgCeltic Sea52.33°N, 9.84°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
17°C
62.1°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
15.2°C
59.4°F
Waves: 1m
Very Cold
ThuOct 1
15.5°C
59.9°F
Waves: 0.9m
Very Cold
FriOct 2
15.6°C
60.1°F
Waves: 0.7m
Very Cold
SatOct 3
15.5°C
59.9°F
Waves: 0.6m
Very Cold
SunOct 4
15.2°C
59.4°F
Waves: 0.7m
Very Cold
MonOct 5
14.9°C
58.8°F
Waves: 0.9m
Very Cold
TueOct 6
14.8°C
58.6°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Banna Strand.
Confidence: High

Banna Strand Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Banna Strand occurs inJune, July, August, September — peaking at15.7°C (60.3°F) in August.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
10
Jan
9
Feb
9
Mar
10
Apr
12
May
14
Jun
16
Jul
16
Aug
Current
15
Sep
14
Oct
12
Nov
11
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January8.6°C9.7°C11°CVery Cold (< 16°C)
February7.7°C9.1°C10.2°CVery Cold (< 16°C)
March8.1°C9.2°C10.6°CVery Cold (< 16°C)
April8.4°C10.1°C11.9°CVery Cold (< 16°C)
May10.8°C12°C14°CVery Cold (< 16°C)
June12.3°C14.1°C16.2°CVery Cold (< 16°C)
July14°C15.5°C19.3°CVery Cold (< 16°C)
August14.2°C15.7°C18.1°CVery Cold (< 16°C)
SeptemberCurrent13.7°C15.2°C17°CVery Cold (< 16°C)
October11.6°C13.8°C15.6°CVery Cold (< 16°C)
November10.4°C12.1°C13.4°CVery Cold (< 16°C)
December9.5°C10.7°C11.8°CVery Cold (< 16°C)

Swimming FAQs for Banna Strand

Is the sea warm enough to swim in Banna Strand today?

Typical sea surface temperature in Banna Strand this time of year is 15.2°C (59.4°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.

What are the warmest months for swimming in Banna Strand?

The highest water temperatures in Banna Strand typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Banna Strand in September?

Historically in September, water temperatures in Banna Strand average around15.2°C (59.4°F), fluctuating between a recorded minimum of 13.7°C and a maximum of 17°C.

Other Beaches in Ireland

Explore all Ireland stations

Banna Strand Coastal Zone Map

Live OpenStreetMap