Old Man's Hat Surf Forecast

/ Gisborne and Mahia (37 surf breaks) /

New Zealand (466 surf breaks)

Surf Forecasts:

Old Man's Hat surfForecast / Gisborne and Mahia / New Zealand

48hr Weather and Surf, issued 5 am Thursday 18 Sep 2025 NZST

Forecast update in hr min s Forecast update imminent

Old Man's Hat surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Old Man's Hat sea temperature is 13.2° C
(Which is slightly cooler than normal)

How big are the waves at Old Man's Hat today?

The current surf forecast for Old Man's Hat at 10AM is: 0.3m 10s primary swell from a Southeast direction and 0.6m 3s secondary swell from a North direction (forecast issued at 05:00am September 18). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (18 Sep)	1ft (0.3m)	10s
Afternoon (18 Sep)	1.5ft (0.4m)	5s
Evening (18 Sep)	2.5ft (0.7m)	5s

Table - waves today at Old Man's Hat. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18							Friday 19								Saturday 20								Sun 21
	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	9 PM	0 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	NNE	NE	NE	NNE	NE	NE	E	NE	N	E	S	S	S	SSE	SSE	SSE	E	ENE	NE	NE	NE
Period(s) (?)	10	10	10	5	5	5	5	5	5	10	9	6	15	8	9	10	10	9	9	13	3	4	4	4
Wave Graph (?)
kJ (?)	16	14	14	8	6	3	28	4	3	2	3	1	4	0	0	0	0	0	0	3	8	19	24	19
Wind (km/h)	NNW	NW	NW	NW	NW	NW	WNW	W	WSW	SSW	SSW	SSW	SSW	SSW	S	SSW	SSW	WSW	W	ENE	NE	NNE	NNE	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross	cross	cross- off	cross- off	cross- off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	glass	on	on	on	cross- on	cross- on
High Tide / height (m)	2:14AM 1.40				2:46PM 1.48					3:12AM 1.38				3:42PM 1.47				4:08AM 1.37				4:34PM 1.46
Low Tide / height (m)			8:26AM 0.19					9:04PM 0.22				9:23AM 0.21				10:00PM 0.23				10:17AM 0.22				10:53PM 0.22

	Thursday 18							Friday 19								Saturday 20								Sun 21
Sunrise	-	-	6:05	-	-	-	-	-	-	-	6:03	-	-	-	-	-	-	-	6:01	-	-	-	-	-
Sunset	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:01	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	1	2	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	15	17	19	19	17	15	13	12	11	11	11	10	10	10	10	10	8	8	9	10	10	10	9
Feels °C (?)	9	8	12	14	15	14	10	7	5	2	2	2	1	1	3	4	5	4	6	5	3	2	2	2

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 Old Man's Hat (fresh winds from the WNW at Mahia Automatic Weather Station 6 km from Old Man's Hat). 1.1m 4s local chop from the NNW to make surfable waves.
44 minutes ago Old Man's Hat

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Actual: 44 min ago

35 km/h

WNW

Cross-Off

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