Tasman District, New Zealand
Tasman Sea40.92°S, 173.06°EStation NE-TAS-MED

Medlands Beach Sea Water Temperature

A temperate beach on the Tasman Sea, warmest around February at about 19.6°C. Today's reading, 7-day forecast, and monthly averages below.

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

Medlands Beach water temperature

12.9
55.2°FVery Cold (< 16°C)

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

+0°vs Sep avgTasman Sea40.92°S, 173.06°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
14°C
57.9°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
12.9°C
55.2°F
Waves: 1m
Very Cold
ThuOct 1
13.2°C
55.8°F
Waves: 0.9m
Very Cold
FriOct 2
13.3°C
55.9°F
Waves: 0.7m
Very Cold
SatOct 3
13.2°C
55.8°F
Waves: 0.6m
Very Cold
SunOct 4
12.9°C
55.2°F
Waves: 0.7m
Very Cold
MonOct 5
12.6°C
54.7°F
Waves: 0.9m
Very Cold
TueOct 6
12.5°C
54.5°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Medlands Beach.
Confidence: High

Medlands Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Medlands Beach occurs inJanuary, February, March, December — peaking at19.6°C (67.3°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)
19
Jan
20
Feb
19
Mar
17
Apr
16
May
14
Jun
13
Jul
12
Aug
Current
13
Sep
14
Oct
16
Nov
18
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January16.3°C18.6°C23.2°CCool / Refreshing (16°C – 20°C)
February17.9°C19.6°C21.3°CCool / Refreshing (16°C – 20°C)
March16.5°C18.7°C20.7°CCool / Refreshing (16°C – 20°C)
April15.5°C17.2°C19.2°CCool / Refreshing (16°C – 20°C)
May14.2°C15.6°C17.8°CVery Cold (< 16°C)
June12.9°C13.9°C15.5°CVery Cold (< 16°C)
July11.4°C12.6°C14.1°CVery Cold (< 16°C)
August11.1°C12.2°C12.9°CVery Cold (< 16°C)
SeptemberCurrent12°C12.9°C13.9°CVery Cold (< 16°C)
October12.8°C14.1°C16.1°CVery Cold (< 16°C)
November14.4°C15.8°C18.2°CVery Cold (< 16°C)
December15.8°C17.6°C19.4°CCool / Refreshing (16°C – 20°C)

Swimming FAQs for Medlands Beach

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

Typical sea surface temperature in Medlands Beach this time of year is 12.9°C (55.2°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 Medlands Beach?

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

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

Historically in September, water temperatures in Medlands Beach average around12.9°C (55.2°F), fluctuating between a recorded minimum of 12°C and a maximum of 13.9°C.

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Medlands Beach Coastal Zone Map

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