Argyll and Bute, United Kingdom
Inner Seas off the West Coast of Scotland55.85°N, 5.26°WStation UN-ARG-OST

Ostel Bay beach Sea Water Temperature

A cool beach on the Inner Seas off the West Coast of Scotland, warmest around September at about 13.9°C. Today's reading, 7-day forecast, and monthly averages below.

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

Ostel Bay beach water temperature

13.9
57°FVery Cold (< 16°C)

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

+0°vs Sep avgInner Seas off the West Coast of Scotland55.85°N, 5.26°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
15°C
59.7°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
13.9°C
57°F
Waves: 1m
Very Cold
ThuOct 1
14.2°C
57.6°F
Waves: 0.9m
Very Cold
FriOct 2
14.3°C
57.7°F
Waves: 0.7m
Very Cold
SatOct 3
14.2°C
57.6°F
Waves: 0.6m
Very Cold
SunOct 4
13.9°C
57°F
Waves: 0.7m
Very Cold
MonOct 5
13.6°C
56.5°F
Waves: 0.9m
Very Cold
TueOct 6
13.5°C
56.3°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Ostel Bay beach.
Confidence: High

Ostel Bay beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Ostel Bay beach occurs inJuly, August, September, October — peaking at13.9°C (57°F) in September.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
9
Jan
8
Feb
8
Mar
9
Apr
10
May
12
Jun
13
Jul
14
Aug
Current
14
Sep
13
Oct
12
Nov
10
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January7.8°C8.8°C10.2°CVery Cold (< 16°C)
February7.2°C8°C8.8°CVery Cold (< 16°C)
March6.6°C7.7°C9.1°CVery Cold (< 16°C)
April7.1°C8.5°C9.3°CVery Cold (< 16°C)
May8.6°C10°C12.1°CVery Cold (< 16°C)
June10.5°C11.9°C13.2°CVery Cold (< 16°C)
July11.7°C13.3°C15.1°CVery Cold (< 16°C)
August12.9°C13.8°C14.9°CVery Cold (< 16°C)
SeptemberCurrent12.6°C13.9°C16.1°CVery Cold (< 16°C)
October12.1°C13.1°C14.6°CVery Cold (< 16°C)
November9.2°C11.7°C13°CVery Cold (< 16°C)
December9.3°C10.2°C11.6°CVery Cold (< 16°C)

Swimming FAQs for Ostel Bay beach

Is the sea warm enough to swim in Ostel Bay beach today?

Typical sea surface temperature in Ostel Bay beach this time of year is 13.9°C (57°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 Ostel Bay beach?

The highest water temperatures in Ostel Bay beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Ostel Bay beach in September?

Historically in September, water temperatures in Ostel Bay beach average around13.9°C (57.0°F), fluctuating between a recorded minimum of 12.6°C and a maximum of 16.1°C.

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Ostel Bay beach Coastal Zone Map

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