Auckland, New Zealand
Tasman Sea36.90°S, 174.44°EStation NE-AUC-TEH

Te Henga / Bethells Beach Sea Water Temperature

A mild beach on the Tasman Sea, warmest around February at about 20.9°C. Today's reading, 7-day forecast, and monthly averages below.

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

Te Henga / Bethells Beach water temperature

14.5
58.1°FVery Cold (< 16°C)

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

+0°vs Sep avgTasman Sea36.90°S, 174.44°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
16°C
60.8°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
14.5°C
58.1°F
Waves: 1m
Very Cold
ThuOct 1
14.8°C
58.6°F
Waves: 0.9m
Very Cold
FriOct 2
14.9°C
58.8°F
Waves: 0.7m
Very Cold
SatOct 3
14.8°C
58.6°F
Waves: 0.6m
Very Cold
SunOct 4
14.5°C
58.1°F
Waves: 0.7m
Very Cold
MonOct 5
14.2°C
57.6°F
Waves: 0.9m
Very Cold
TueOct 6
14.1°C
57.4°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Te Henga / Bethells Beach.
Confidence: High

Te Henga / Bethells Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Te Henga / Bethells Beach occurs inJanuary, February, March, April — peaking at20.9°C (69.6°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)
20
Jan
21
Feb
20
Mar
19
Apr
18
May
16
Jun
15
Jul
14
Aug
Current
15
Sep
16
Oct
17
Nov
19
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January17.7°C20.2°C22.8°CComfortable (20°C – 24°C)
February19.9°C20.9°C22.2°CComfortable (20°C – 24°C)
March18.7°C20.4°C22.1°CComfortable (20°C – 24°C)
April17.4°C19.3°C21.1°CCool / Refreshing (16°C – 20°C)
May16.5°C17.7°C19.4°CCool / Refreshing (16°C – 20°C)
June14.9°C16°C17.5°CCool / Refreshing (16°C – 20°C)
July13.7°C14.7°C16°CVery Cold (< 16°C)
August13.5°C14.3°C15°CVery Cold (< 16°C)
SeptemberCurrent13.1°C14.5°C15.5°CVery Cold (< 16°C)
October14.3°C15.5°C17.5°CVery Cold (< 16°C)
November15.4°C17°C18.8°CCool / Refreshing (16°C – 20°C)
December16.7°C18.9°C21.6°CCool / Refreshing (16°C – 20°C)

Swimming FAQs for Te Henga / Bethells Beach

Is the sea warm enough to swim in Te Henga / Bethells Beach today?

Typical sea surface temperature in Te Henga / Bethells Beach this time of year is 14.5°C (58.1°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 Te Henga / Bethells Beach?

The highest water temperatures in Te Henga / Bethells Beach typically occur duringJanuary, February, March, April, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Te Henga / Bethells Beach in September?

Historically in September, water temperatures in Te Henga / Bethells Beach average around14.5°C (58.1°F), fluctuating between a recorded minimum of 13.1°C and a maximum of 15.5°C.

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Te Henga / Bethells Beach Coastal Zone Map

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