Sjaælland, Denmark
Kattegat55.45°N, 12.20°EStation DE-SJA-KGE

Køge Sydstrand Sea Water Temperature

A cool beach on the Kattegat, warmest around August at about 18.1°C. Today's reading, 7-day forecast, and monthly averages below.

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

Køge Sydstrand water temperature

15.8
60.4°FVery Cold (< 16°C)

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

+0°vs Sep avgKattegat55.45°N, 12.20°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
17°C
63.1°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
15.8°C
60.4°F
Waves: 1m
Very Cold
ThuOct 1
16.1°C
61°F
Waves: 0.9m
Refreshing
FriOct 2
16.2°C
61.2°F
Waves: 0.7m
Refreshing
SatOct 3
16.1°C
61°F
Waves: 0.6m
Refreshing
SunOct 4
15.8°C
60.4°F
Waves: 0.7m
Very Cold
MonOct 5
15.5°C
59.9°F
Waves: 0.9m
Very Cold
TueOct 6
15.4°C
59.7°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Køge Sydstrand.
Confidence: High

Køge Sydstrand Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Køge Sydstrand occurs inJune, July, August, September — peaking at18.1°C (64.6°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)
4
Jan
3
Feb
3
Mar
6
Apr
10
May
15
Jun
18
Jul
18
Aug
Current
16
Sep
13
Oct
9
Nov
6
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.5°C3.5°C6.1°CVery Cold (< 16°C)
February0.1°C2.6°C4.5°CVery Cold (< 16°C)
March0.6°C3.2°C5.7°CVery Cold (< 16°C)
April3.5°C5.8°C8.4°CVery Cold (< 16°C)
May6.7°C10.1°C13.8°CVery Cold (< 16°C)
June11.9°C14.7°C17.7°CVery Cold (< 16°C)
July14.1°C17.5°C22.8°CCool / Refreshing (16°C – 20°C)
August15°C18.1°C21.3°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent13°C15.8°C19°CVery Cold (< 16°C)
October8.5°C12.6°C16°CVery Cold (< 16°C)
November6.4°C9.1°C12.3°CVery Cold (< 16°C)
December3.2°C5.7°C8.2°CVery Cold (< 16°C)

Swimming FAQs for Køge Sydstrand

Is the sea warm enough to swim in Køge Sydstrand today?

Typical sea surface temperature in Køge Sydstrand this time of year is 15.8°C (60.4°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 Køge Sydstrand?

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

What is the typical water temperature in Køge Sydstrand in September?

Historically in September, water temperatures in Køge Sydstrand average around15.8°C (60.4°F), fluctuating between a recorded minimum of 13°C and a maximum of 19°C.

Other Beaches in Denmark

Explore all Denmark stations

Køge Sydstrand Coastal Zone Map

Live OpenStreetMap