Mahia Spit Surf Forecast

/ Gisborne and Mahia (37 surf breaks) /

New Zealand (466 surf breaks)

Surf Forecasts:

Mahia Spit surfForecast / Gisborne and Mahia / New Zealand

48hr Weather and Surf, issued 11 pm Sunday 14 Sep 2025 NZST

Forecast update in hr min s Forecast update imminent

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

Today's Mahia Spit sea temperature is 13.3° C
(Which is slightly cooler than normal)

How big are the waves at Mahia Spit today?

The current surf forecast for Mahia Spit at 3AM is: 0.2m 11s primary swell from a East direction (forecast issued at 11:00pm September 14). An open ocean swell of 3.0m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (15 Sep)	0.5ft (0.2m)	11s
Afternoon (15 Sep)	0.5ft (0.1m)	11s
Evening (15 Sep)	1.5ft (0.5m)	4s

Table - waves today at Mahia Spit. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Monday 15								Tuesday 16								Wednesday 17
	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	E	E	NE	NE	NE	NE	NE	E	E	E	SSE	SE	SE	SE	SE	SE	SE	SE	SE
Period(s) (?)	11	11	11	11	11	11	11	4	4	4	4	4	10	10	10	9	11	11	10	10	10	10	10	10
Wave Graph (?)
kJ (?)	9	9	9	9	9	2	2	10	8	7	3	1	2	2	2	0	31	56	64	65	67	51	37	37
Wind (km/h)	SW	SW	W	NW	NNW	NE	NE	NNE	NW	WNW	WNW	W	WSW	SW	SE	NE	N	NNW	WNW	NW	NNW	NW	NW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	cross- off	cross	cross- on	on	on	cross- on	cross	cross- off	cross- off	cross- off	off	off	cross	on	cross- on	cross	cross- off	cross	cross- on	cross	cross	cross- off
High Tide / height (m)		11:18PM 1.54				11:50AM 1.58					12:16AM 1.49				12:48PM 1.54				1:15AM 1.44				1:47PM 1.51
Low Tide / height (m)				5:35AM 0.08					6:09PM 0.13				6:31AM 0.12				7:07PM 0.17				7:29AM 0.16

		Monday 15								Tuesday 16								Wednesday 17
Sunrise	-	-	-	-	6:09	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:05	-	-	-
Sunset	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:59	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	11	10	9	9	10	11	13	13	14	13	13	13	15	16	17	16	16	16	15	15	16	19	20	19
Feels °C (?)	3	4	5	6	7	9	9	9	12	8	7	8	10	13	15	14	12	13	13	12	14	16	17	13

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 Cross-off wind 4 km from Mahia Spit has swung offshore (light winds from the SW at Mahia Automatic Weather Station). 0.2m 11s groundswell from the ESE to make surfable waves.
52 minutes ago Mahia Spit
Wind Update Offshore wind reported 9 km from Wainui Beach - Stockroute (light winds from the NW at Gisborne Airport 9 km from Wainui Beach - Stockroute). 3.4m 12s groundswell from the S which is too big for here.
52 minutes ago Wainui Beach - Stockroute

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Actual: 52 min ago

17 km/h

Offshore

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