Riversdale Surf Forecast

/ Wairarapa (36 surf breaks) /

New Zealand (466 surf breaks) / Lat Long: (41.10° S 176.07° E)

Surf Forecasts:

Riversdale surfForecast / Wairarapa / New Zealand

12 Day Weather and Surf, issued 5 am Friday 19 Sep 2025 NZST

Forecast update in hr min s Forecast update imminent

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

Today's Riversdale sea temperature is 12.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Riversdale this week:

The surf forecast for Riversdale over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 9PM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 0.1m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Riversdale in the next 12 days are 1.9m 14s and forecast to arrive on Saturday (Sep 20) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Sunday (Sep 21) at 9AM.

Wave Type	Time (NZST) & Date	Wave Height & Period
Next good surf (1 star+)	9PM (Fri 19th Sep)	5.5ft (1.7m) 9s
Best Surf	9AM (Sat 20th Sep)	6ft (1.9m) 14s
Most Powerful	9AM (Sat 20th Sep)	6ft (1.9m) 14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Mostly dry. Very mild (max 17°C on Sun afternoon, min 3°C on Fri night). Mainly fresh winds.									Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 20°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.
	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	1	3	4	3	2	1	1	0	0	0	0	1	2	1	2	2	4	1	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	SSE	S	S	S	S	NE	NE	ENE	NE	ENE	NE	NE	ENE	NE	E	NE	ENE	ENE	E
Period(s) (?)	8	9	10	14	13	13	11	7	8	8	7	8	8	8	8	8	14	8	10	10	12
Wave Graph (?)
kJ (?)	588	771	312	1411	826	623	202	203	143	117	79	80	86	210	80	142	195	533	522	466	240
Wind (km/h)	SSW	S	NNW	N	N	NNW	NNW	NNW	N	N	N	NNW	N	NNE	W	N	NNW	N	NNE	NNW	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	glass	cross- off	cross- off	cross- off	cross	cross- off	off
High Tide / height (m)		3:00PM 1.48		3:25AM 1.35	3:50PM 1.45		4:15AM 1.34	4:39PM 1.42		5:03AM 1.34	5:26PM 1.40		5:49AM 1.35		6:12PM 1.37	6:35AM 1.36		6:58PM 1.35	7:21AM 1.36		7:44PM 1.33
Low Tide / height (m)			9:20PM 0.18	9:34AM 0.18		10:10PM 0.19	10:25AM 0.19		10:58PM 0.19	11:14AM 0.19		11:44PM 0.20		12:03PM 0.20	12:29AM 0.21		12:51PM 0.22	1:13AM 0.23		1:39PM 0.23	1:58AM 0.25

	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
Sunrise	6:11	-	-	6:09	-	-	6:07	-	-	6:05	-	-	6:03	-	-	6:01	-	-	6:00	-	-
Sunset	-	6:07	-	-	6:08	-	-	6:09	-	-	6:10	-	-	6:12	-	-	6:13	-	-	6:14	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	2	-	-	-	2	1	1	6
Temp. °C	9	10	6	14	16	11	15	17	15	15	16	16	16	15	13	19	20	16	16	17	13
Feels °C (?)	1	4	4	8	11	6	9	12	10	11	12	12	14	14	14	16	18	14	12	14	9

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 Wairarapa

Wind Update The wind is still cross-off at Riversdale (fresh winds from the SW at CastlepointAws 25 km from Riversdale). A 3.0m swell from the S
1 hour 17 minutes ago Riversdale

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25 km away, 1 h 17 min ago

35 km/h

0.0

12.7

Air / Water (°C)

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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 Riversdale 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 Riversdale Surf forecast

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

Riversdale is 38 km (24 miles) from Masterton. If you plan a holiday in The Wairarapa, look for hotels and other accommodation in Masterton. Masterton has rooms for a wide range of budgets as well as car hire and transport links.