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Manawatāwhi/Great Island - North West Bay Sea Temperature in August

Area Outside Territorial Authority, New Zealand

July Manawatāwhi/Great Island - North West Bay year-round → September

Average sea temperature for Manawatāwhi/Great Island - North West Bay, New Zealand across August, based on 10 years of daily readings.

Average

16.03° C

High

17.31° C

Low

14.78° C

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

August is the 11th warmest of 12 months at Manawatāwhi/Great Island - North West Bay. On average the water sits 2.2° than the year-round mean of 18.2° C.

Compared to July, August is 0.4° cooler than (16.4° C in July). By September the water is usually 15.97° C.

Manawatāwhi/Great Island - North West Bay Day-by-Day Water Temperature in August

10-year low, average and high

14.0° C
15.0° C
16.0° C
17.0° C
18.0° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through August. Range Average

Each vertical bar above is one day of August. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Manawatāwhi/Great Island - North West Bay.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

August Water Temperature Table for Manawatāwhi/Great Island - North West Bay

10-year daily averages

Day Average Low High
August 1 16.17° C 15.23° C 16.86° C
August 2 16.14° C 15.22° C 16.6° C
August 3 16.07° C 15.13° C 16.65° C
August 4 16.1° C 15.04° C 16.91° C
August 5 16.1° C 15.03° C 16.96° C
August 6 16.11° C 15.15° C 16.97° C
August 7 16.13° C 15.29° C 16.95° C
August 8 16.12° C 15.37° C 16.96° C
August 9 16.13° C 15.44° C 16.94° C
August 10 16.11° C 15.48° C 16.86° C
August 11 16.11° C 15.47° C 16.92° C
August 12 16.06° C 15.25° C 16.92° C
August 13 16° C 15.09° C 16.9° C
August 14 15.95° C 15.13° C 16.88° C
August 15 16.05° C 15.31° C 16.95° C
August 16 16.03° C 15.26° C 16.98° C
August 17 16.04° C 15.22° C 16.97° C
August 18 16.05° C 15.22° C 16.95° C
August 19 16.06° C 15.34° C 16.85° C
August 20 15.97° C 15.1° C 16.75° C
August 21 15.93° C 15.11° C 16.7° C
August 22 15.9° C 15.01° C 16.71° C
August 23 15.87° C 14.81° C 16.91° C
August 24 15.9° C 14.78° C 17.11° C
August 25 15.89° C 14.87° C 17.14° C
August 26 15.86° C 14.8° C 17.06° C
August 27 15.96° C 15.15° C 17.2° C
August 28 16° C 15.26° C 17.28° C
August 29 16.04° C 15.35° C 17.31° C
August 30 16.04° C 15.25° C 17.26° C
August 31 16.02° C 15.2° C 17.15° C

Where August Sits in the Year

August highlighted

13.5° C
15.9° C
18.3° C
20.6° C
23.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
19.86° C
20.56° C
20.74° C
19.95° C
18.76° C
17.46° C
16.4° C
16.03° C
15.97° C
16.47° C
17.39° C
18.8° C
10-year monthly history for Manawatāwhi/Great Island - North West Bay. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in August

Compare other New Zealand water for the same month

Manawatāwhi/Great Island - North West Bay Location

-34.1508, 172.1414

-34.15076, 172.14140 View on OpenStreetMap →

Manawatāwhi/Great Island - North West Bay sits at -34.1508°N, 172.1414°E, on the coast of Area Outside Territorial Authority, New Zealand. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Manawatāwhi/Great Island - North West Bay