Uusimaa, Finland
Archipelago Sea60.53°N, 26.47°EStation FI-UUS-UIM

Uimaranta Sea Water Temperature

A cool beach on the Archipelago Sea, warmest around August at about 17.8°C. Today's reading, 7-day forecast, and monthly averages below.

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Water Temperature NowBuoy & Sentinel-3 SST

Uimaranta water temperature

14.8
58.6°FVery Cold (< 16°C)

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

+0°vs Sep avgArchipelago Sea60.53°N, 26.47°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
16°C
61.3°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
14.8°C
58.6°F
Waves: 1m
Very Cold
ThuOct 1
15.1°C
59.2°F
Waves: 0.9m
Very Cold
FriOct 2
15.2°C
59.4°F
Waves: 0.7m
Very Cold
SatOct 3
15.1°C
59.2°F
Waves: 0.6m
Very Cold
SunOct 4
14.8°C
58.6°F
Waves: 0.7m
Very Cold
MonOct 5
14.5°C
58.1°F
Waves: 0.9m
Very Cold
TueOct 6
14.4°C
57.9°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Uimaranta.
Confidence: High

Uimaranta Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Uimaranta occurs inJune, July, August, September — peaking at17.8°C (64°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)
2
Jan
0
Feb
0
Mar
2
Apr
7
May
12
Jun
18
Jul
18
Aug
Current
15
Sep
11
Oct
7
Nov
4
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January-0.2°C1.5°C3.5°CVery Cold (< 16°C)
February-1.2°C0.3°C2.2°CVery Cold (< 16°C)
March-1.2°C0.4°C2°CVery Cold (< 16°C)
April0.1°C2°C3.8°CVery Cold (< 16°C)
May2.8°C6.7°C15.2°CVery Cold (< 16°C)
June7.5°C12.4°C17.5°CVery Cold (< 16°C)
July12.9°C17.5°C24.1°CCool / Refreshing (16°C – 20°C)
August15.7°C17.8°C20.7°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent12.1°C14.8°C19.1°CVery Cold (< 16°C)
October7.5°C10.9°C15.3°CVery Cold (< 16°C)
November3.5°C7.1°C9.7°CVery Cold (< 16°C)
December0.2°C4°C6.3°CVery Cold (< 16°C)

Swimming FAQs for Uimaranta

Is the sea warm enough to swim in Uimaranta today?

Typical sea surface temperature in Uimaranta this time of year is 14.8°C (58.6°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 Uimaranta?

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

What is the typical water temperature in Uimaranta in September?

Historically in September, water temperatures in Uimaranta average around14.8°C (58.6°F), fluctuating between a recorded minimum of 12.1°C and a maximum of 19.1°C.

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