Mahanga Beach Surf Forecast

/ Gisborne and Mahia (37 surf breaks) /

New Zealand (466 surf breaks) / Lat Long: (39.04° S 177.89° E)

Surf Forecasts:

Mahanga Beach surfForecast / Gisborne and Mahia / New Zealand

12 Day Weather and Surf, issued 6 pm Tuesday 21 Oct 2025 NZDT

Forecast update in hr min s Forecast update imminent

Mahanga Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Mahanga Beach sea temperature is 14.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Mahanga Beach this week:

The surf forecast for Mahanga Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 22) at 1PM. The primary swell is predicted to be 0.3m and 19s period with a secondary swell of 0.2m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mahanga Beach in the next 12 days are 2.0m 14s and forecast to arrive on Friday (Oct 24) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Thursday (Oct 23) at 7PM.

Wave Type	Time (NZDT) & Date	Wave Height & Period
Next good surf (1 star+)	1PM (Wed 22nd Oct)	1ft (0.3m) 19s
Best Surf	1AM (Sat 25th Oct)	6ft (1.9m) 13s
Most Powerful	10PM (Fri 24th Oct)	6.5ft (2.0m) 14s

Table - best surf conditions forecast for Mahanga Beach over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Mostly dry. Warm (max 25°C on Thu morning, min 16°C on Fri morning). Mainly fresh winds.											Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Mon morning, min 11°C on Fri night). Wind will be generally light.
	Tue 21		Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	1	2	2	0	0	0	0	3	3	0	1	1	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ESE	E	S	S	S	S	S	S	S	S	S	S	S	S	SSE	S	S	S	NE	S
Period(s) (?)	10	10	9	16	12	18	15	13	12	18	13	12	12	11	10	10	14	13	12	8	11
Wave Graph (?)
kJ (?)	50	31	7	190	295	226	267	121	72	56	1266	681	456	191	135	106	131	79	44	21	10
Wind (km/h)	NW	NW	WNW	WNW	NW	NW	NW	NNW	SSE	ESE	NNW	SSW	E	WNW	W	S	NW	NNW	N	NW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	off	cross- off	cross- off	cross- off	cross- off	cross- on	cross- on	cross- off	cross- off	on	off	off	cross- off	cross- off	cross- off	cross	cross- off	cross- off
High Tide / height (m)	6:33PM 1.52		7:02AM 1.59		7:18PM 1.54	7:46AM 1.64		8:02PM 1.57	8:27AM 1.66		8:45PM 1.58	9:06AM 1.67		9:27PM 1.57	9:45AM 1.65		10:09PM 1.55	10:24AM 1.62		10:50PM 1.51	11:06AM 1.57
Low Tide / height (m)		12:48AM 0.40		1:12PM 0.40	1:32AM 0.44		1:55PM 0.43	2:14AM 0.47		2:38PM 0.46	2:54AM 0.49		3:20PM 0.47	3:33AM 0.49		4:03PM 0.47		4:13AM 0.49	4:46PM 0.45		4:54AM 0.47

	Tue 21		Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27
Sunrise	-	-	6:13	-	-	6:11	-	-	6:09	-	-	6:09	-	-	6:07	-	-	6:05	-	-	6:05
Sunset	7:31	-	-	7:32	-	-	7:34	-	-	7:35	-	-	7:36	-	-	7:37	-	-	7:37	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	24	19	22	23	20	25	25	20	16	15	13	14	15	14	16	18	15	20	19	19	22
Feels °C (?)	20	15	19	20	15	23	21	16	12	11	11	10	11	9	11	15	11	14	13	16	20

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Gisborne and Mahia

Wind Update The wind is still cross-off at Mahanga Beach (strong winds from the WNW at Mahia Automatic Weather Station 11 km from Mahanga Beach). 0.6m 5s windswell from the NNE with a 0.4m 10s swell from the ESE. 2 swells combining to make bigger set waves.
2 hours 1 minute ago Mahanga Beach

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2 h 1 min ago

50 km/h

WNW

Cross-Off

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mahanga Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Mahanga Beach Surf forecast

The above surf forecast table for Mahanga Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mahanga Beach can be found by selecting the local surf guide option on the grey menu. Our Mahanga Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mahanga Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mahanga Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Mahanga Beach is 43 km (27 miles) from the city of Gisborne. If you plan a holiday in Gisborne and Mahia, look for hotels and other accommodation in Gisborne. Gisborne has rooms for a wide range of budgets as well as car hire and transport links.