Otago, New Zealand
Tasman Sea45.41°S, 170.84°EStation NE-OTA-KAT

Kātiki Beach Sea Water Temperature

A temperate beach on the Tasman Sea, warmest around February at about 15.2°C. Today's reading, 7-day forecast, and monthly averages below.

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

Kātiki Beach water temperature

10.7
51.3°FVery Cold (< 16°C)

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

+0°vs Sep avgTasman Sea45.41°S, 170.84°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
12°C
54°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
10.7°C
51.3°F
Waves: 1m
Very Cold
ThuOct 1
11°C
51.8°F
Waves: 0.9m
Very Cold
FriOct 2
11.1°C
52°F
Waves: 0.7m
Very Cold
SatOct 3
11°C
51.8°F
Waves: 0.6m
Very Cold
SunOct 4
10.7°C
51.3°F
Waves: 0.7m
Very Cold
MonOct 5
10.4°C
50.7°F
Waves: 0.9m
Very Cold
TueOct 6
10.3°C
50.5°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Kātiki Beach.
Confidence: High

Kātiki Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Kātiki Beach occurs inJanuary, February, March, December — peaking at15.2°C (59.4°F) in February.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
15
Jan
15
Feb
15
Mar
14
Apr
12
May
11
Jun
10
Jul
10
Aug
Current
11
Sep
11
Oct
13
Nov
14
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January10.8°C14.9°C17.5°CVery Cold (< 16°C)
February13.7°C15.2°C19.4°CVery Cold (< 16°C)
March13.3°C14.9°C17.4°CVery Cold (< 16°C)
April12.1°C13.6°C15.5°CVery Cold (< 16°C)
May10.6°C12.3°C14.7°CVery Cold (< 16°C)
June9.6°C11°C13.1°CVery Cold (< 16°C)
July8.7°C10.2°C12.3°CVery Cold (< 16°C)
August8°C9.8°C11.2°CVery Cold (< 16°C)
SeptemberCurrent9.6°C10.7°C11.6°CVery Cold (< 16°C)
October9.8°C11.4°C13.4°CVery Cold (< 16°C)
November11.6°C13°C15.4°CVery Cold (< 16°C)
December12.1°C13.9°C15.7°CVery Cold (< 16°C)

Swimming FAQs for Kātiki Beach

Is the sea warm enough to swim in Kātiki Beach today?

Typical sea surface temperature in Kātiki Beach this time of year is 10.7°C (51.3°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 Kātiki Beach?

The highest water temperatures in Kātiki Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Kātiki Beach in September?

Historically in September, water temperatures in Kātiki Beach average around10.7°C (51.3°F), fluctuating between a recorded minimum of 9.6°C and a maximum of 11.6°C.

Other Beaches in New Zealand

Explore all New Zealand stations

Kātiki Beach Coastal Zone Map

Live OpenStreetMap