Northern Ostrobothnia, Finland
Bothnian Sea65.02°N, 25.53°EStation FI-NOR-VAR

Värtön ranta Sea Water Temperature

A frigid beach on the Bothnian Sea, warmest around August at about 16.3°C. Today's reading, 7-day forecast, and monthly averages below.

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Water Temperature NowBuoy & Sentinel-3 SST

Värtön ranta water temperature

13
55.4°FVery Cold (< 16°C)

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

+0°vs Sep avgBothnian Sea65.02°N, 25.53°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
15°C
58.1°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
13°C
55.4°F
Waves: 1m
Very Cold
ThuOct 1
13.3°C
55.9°F
Waves: 0.9m
Very Cold
FriOct 2
13.4°C
56.1°F
Waves: 0.7m
Very Cold
SatOct 3
13.3°C
55.9°F
Waves: 0.6m
Very Cold
SunOct 4
13°C
55.4°F
Waves: 0.7m
Very Cold
MonOct 5
12.7°C
54.9°F
Waves: 0.9m
Very Cold
TueOct 6
12.6°C
54.7°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Värtön ranta.
Confidence: High

Värtön ranta Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Värtön ranta occurs inJune, July, August, September — peaking at16.3°C (61.3°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)
0
Jan
0
Feb
0
Mar
0
Apr
3
May
11
Jun
16
Jul
16
Aug
Current
13
Sep
8
Oct
3
Nov
1
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January-1°C0°C1.3°CVery Cold (< 16°C)
February-1°C-0.3°C1.1°CVery Cold (< 16°C)
March-1.3°C-0.1°C0.5°CVery Cold (< 16°C)
April-0.7°C0.3°C1.3°CVery Cold (< 16°C)
May-0.2°C2.9°C8.2°CVery Cold (< 16°C)
June5.8°C11.2°C17.2°CVery Cold (< 16°C)
July11.2°C15.8°C21.8°CVery Cold (< 16°C)
August12.6°C16.3°C18.6°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent10.2°C13°C16.2°CVery Cold (< 16°C)
October5°C7.9°C12°CVery Cold (< 16°C)
November0.4°C3.1°C5.7°CVery Cold (< 16°C)
December-1.8°C0.6°C2.9°CVery Cold (< 16°C)

Swimming FAQs for Värtön ranta

Is the sea warm enough to swim in Värtön ranta today?

Typical sea surface temperature in Värtön ranta this time of year is 13°C (55.4°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 Värtön ranta?

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

What is the typical water temperature in Värtön ranta in September?

Historically in September, water temperatures in Värtön ranta average around13°C (55.4°F), fluctuating between a recorded minimum of 10.2°C and a maximum of 16.2°C.

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