Mahia Reef Surf Forecast

/ Gisborne and Mahia (37 surf breaks) /

New Zealand (466 surf breaks)

Surf Forecasts:

Mahia Reef surfForecast / Gisborne and Mahia / New Zealand

12 Day Weather and Surf, issued 6 pm Wednesday 12 Nov 2025 NZDT

Forecast update in hr min s Forecast update imminent

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

Today's Mahia Reef sea temperature is 17.7° C
(Which is 2.1°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Mahia Reef this week:

The surf forecast for Mahia Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 14) at 10AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mahia Reef in the next 12 days are 1.7m 10s and forecast to arrive on Monday (Nov 17) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Nov 13) at 10AM.

Wave Type	Time (NZDT) & Date	Wave Height & Period
Next good surf (1 star+)	10AM (Fri 14th Nov)	4ft (1.2m) 8s
Best Surf	7AM (Sun 16th Nov)	4.5ft (1.3m) 9s
Most Powerful	1PM (Mon 17th Nov)	5.5ft (1.7m) 10s

Table - best surf conditions forecast for Mahia Reef over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 20°C on Thu morning, min 14°C on Wed afternoon). Winds decreasing (strong winds from the NE on Wed night, light winds from the SSE by Fri morning).											Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Tue morning, min 13°C on Sat night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the NE by Mon afternoon).
	Wed 12		Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18
	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	0	0	1	0	0	0	0	1	2	0	0	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	E	SSE	E	E	E	E	E	E	E	E	E	E	S	E	S	S	E	S
Period(s) (?)	7	7	13	8	8	8	8	9	9	9	9	9	10	10	10	10	10	8	8	10	8
Wave Graph (?)
kJ (?)	70	34	13	393	6	196	239	292	375	332	334	295	301	229	408	120	190	22	12	117	5
Wind (km/h)	ENE	NE	NNE	NE	SW	SSE	ENE	WNW	NW	SSW	ESE	ENE	ENE	NNE	NE	NE	NNE	NE	NE	NNE	NE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross	cross- off	cross- on	cross- off	cross- off	on	on	cross	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross	cross- off
High Tide / height (m)		12:36AM 1.63		1:05PM 1.69	1:31AM 1.55		1:58PM 1.61	2:28AM 1.49		2:49PM 1.55	3:23AM 1.47		3:39PM 1.51		4:15AM 1.49	4:30PM 1.49		5:03AM 1.53	5:19PM 1.49		5:49AM 1.57
Low Tide / height (m)	6:32PM 0.14		6:48AM 0.18		7:26PM 0.17	7:42AM 0.23		8:18PM 0.21	8:37AM 0.29		9:08PM 0.27	9:33AM 0.35		9:56PM 0.33	10:27AM 0.39		10:44PM 0.39	11:17AM 0.43		11:33PM 0.45	12:03PM 0.46

	Wed 12		Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18
Sunrise	-	-	5:47	-	-	5:47	-	-	5:46	-	-	5:45	-	-	5:43	-	-	5:43	-	-	5:43
Sunset	7:55	-	-	7:58	-	-	7:59	-	-	8:00	-	-	8:00	-	-	8:01	-	-	8:02	-	-

Rain (mm)	2	1	-	-	-	-	1	-	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	18	20	20	18	17	17	16	19	16	14	16	16	15	18	18	17	19	22	20	20
Feels °C (?)	12	11	17	15	15	15	14	15	15	14	12	12	10	12	14	12	12	15	19	18	17

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

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Information about the Mahia Reef Surf forecast

The above surf forecast table for Mahia Reef provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mahia Reef can be found by selecting the local surf guide option on the grey menu. Our Mahia Reef 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 (Mahia Reef) 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 Mahia Reef 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.

Mahia Reef is 49 km (30 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.