Uusimaa, Finland
Archipelago Sea59.89°N, 23.24°EStation FI-UUS-LAP

Lappohjan ranta Sea Water Temperature

A cool beach on the Archipelago Sea, warmest around August at about 17.6°C. Today's reading, 7-day forecast, and monthly averages below.

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Water Temperature NowBuoy & Sentinel-3 SST

Lappohjan ranta water temperature

15
59°FVery Cold (< 16°C)

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

+0°vs Sep avgArchipelago Sea59.89°N, 23.24°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
17°C
61.7°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
15°C
59°F
Waves: 1m
Very Cold
ThuOct 1
15.3°C
59.5°F
Waves: 0.9m
Very Cold
FriOct 2
15.4°C
59.7°F
Waves: 0.7m
Very Cold
SatOct 3
15.3°C
59.5°F
Waves: 0.6m
Very Cold
SunOct 4
15°C
59°F
Waves: 0.7m
Very Cold
MonOct 5
14.7°C
58.5°F
Waves: 0.9m
Very Cold
TueOct 6
14.6°C
58.3°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Lappohjan ranta.
Confidence: High

Lappohjan ranta Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Lappohjan ranta occurs inJune, July, August, September — peaking at17.6°C (63.7°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)
3
Jan
2
Feb
1
Mar
3
Apr
7
May
12
Jun
17
Jul
18
Aug
Current
15
Sep
11
Oct
8
Nov
5
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.7°C2.9°C5.3°CVery Cold (< 16°C)
February-0.4°C1.5°C3.9°CVery Cold (< 16°C)
March-0.5°C1.3°C4.2°CVery Cold (< 16°C)
April0.9°C2.8°C4.6°CVery Cold (< 16°C)
May2.8°C6.5°C13.2°CVery Cold (< 16°C)
June8.2°C11.8°C16.9°CVery Cold (< 16°C)
July13.8°C16.6°C22.2°CCool / Refreshing (16°C – 20°C)
August15.7°C17.6°C20.7°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent11.8°C15°C18.1°CVery Cold (< 16°C)
October7.7°C11.4°C15.5°CVery Cold (< 16°C)
November5.2°C7.9°C10.5°CVery Cold (< 16°C)
December1°C5.2°C7.7°CVery Cold (< 16°C)

Swimming FAQs for Lappohjan ranta

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

Typical sea surface temperature in Lappohjan ranta this time of year is 15°C (59°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 Lappohjan ranta?

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

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

Historically in September, water temperatures in Lappohjan ranta average around15°C (59.0°F), fluctuating between a recorded minimum of 11.8°C and a maximum of 18.1°C.

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