
Surf Forecasts:
Riversdale surf forecast from 15 Jul 2026:
- Best quality surf: Friday 17 Jul, 6AM (local time) - 4.5ft (1.3m), 16s period, ESE swell with offshore winds.
- Most powerful swell: Saturday 18 Jul, 9PM (local time) - 7ft (2.2m), 20s period, SSW swell with 3,728 kJ wave energy.
- Next surfable swell (1★+): Thursday 16 Jul, 12AM (local time) - 1.5ft (0.4m), 13s period with ESE swell.
Best Forecast Surf Conditions for Riversdale this week:
The surf forecast for Riversdale over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 16) at 12AM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Riversdale in the next 16 days are 2.2m 20s and forecast to arrive on Saturday (Jul 18) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Thursday (Jul 16) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 16th Jul) | 1.5ft (0.4m) 13s |
| Best Surf | 6AM (Fri 17th Jul) | 4.5ft (1.3m) 16s |
| Most Powerful | 9PM (Sat 18th Jul) | 7ft (2.2m) 20s |
Table - best surf conditions forecast for Riversdale over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Wed afternoon, min 8°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 13°C on Sat afternoon, min 7°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | ESE 12 | ESE 11 | ESE 13 | ESE 15 | ESE 16 | ESE 16 | ESE 16 | SSW 15 | ESE 15 | ESE 14 | SSW 23 | SSW 20 | S 18 | SSW 16 | S 15 | S 15 | S 16 | SSW 14 | S 13 | S 13 | S 12 |
Wave Graph | |||||||||||||||||||||
46 | 43 | 56 | 167 | 269 | 627 | 892 | 1328 | 829 | 682 | 1814 | 3510 | 2498 | 1707 | 1654 | 2016 | 1960 | 1030 | 1034 | 623 | 432 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross | glassy | glassy | cross-off | off | off | cross-off | cross | cross | cross | cross-off | cross-off | glassy | off | cross-off | cross | cross-off |
High Tide | 5:40PM1.70m | 6:07AM1.51m | 6:36PM1.70m | 7:04AM1.51m | 7:32PM1.67m | 8:00AM1.49m | 8:28PM1.61m | 8:56AM1.46m | 9:22PM1.54m | 9:51AM1.43m | 10:15PM1.47m | 10:45AM1.41m | 11:07PM1.40m | ||||||||
Low Tide | 11:20AM-0.02m | 00:03AM-0.00m | 12:18PM-0.03m | 1:01AM-0.01m | 1:16PM-0.02m | 1:57AM-0.00m | 2:13PM0.01m | 2:51AM0.02m | 3:09PM0.05m | 3:44AM0.06m | 4:04PM0.11m | 4:35AM0.11m | 4:58PM0.17m | ||||||||
7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | |
— | 5:06 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:10 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 14 | 16 | 14 | 10 | 12 | 13 | 9 | 12 | 13 | 10 | 10 | 10 | 8 | 10 | 10 | 8 | 10 | 11 | 8 |
Feels °C | 13 | 13 | 10 | 13 | 11 | 8 | 10 | 11 | 7 | 9 | 11 | 4 | 6 | 6 | 5 | 8 | 7 | 6 | 7 | 8 | 5 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 11 | ESE 13 | ESE 15 | ESE 16 | ESE 16 | S 10 | SSW 15 | ESE 15 | ESE 14 | SSW 23 | SSW 20 | S 18 | SSW 16 | S 15 | S 15 | S 16 | SSW 14 | S 13 | S 13 | S 12 |
46 | 43 | 56 | 167 | 269 | 627 | 468 | 1328 | 829 | 682 | 1814 | 3510 | 2498 | 1707 | 1654 | 2016 | 1960 | 1030 | 1034 | 623 | 432 | |
Swell 2 Height (m) Direction Period (s) | NE 6 | SSW 19 | E 10 | SSW 17 | SSW 16 | S 7 | ESE 16 | ESE 16 | SSW 12 | SSW 10 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | S 17 | ESE 11 | S 17 | S 16 |
6 | 36 | 19 | 59 | 25 | 38 | 892 | 859 | 511 | 276 | 508 | 479 | 299 | 290 | 190 | 129 | 125 | 487 | 70 | 346 | 177 | |
Swell 3 Height (m) Direction Period (s) | SSW 16 | ENE 5 | SSW 15 | — | E 11 | SSW 16 | S 16 | — | — | S 25 | SSW 10 | — | — | — | — | — | — | ESE 11 | — | ESE 11 | ESE 11 |
26 | 3 | 23 | — | 2 | 47 | 129 | — | — | 49 | 150 | — | — | — | — | — | — | 87 | — | 47 | 47 | |
Wind waves Height (m) Direction Period (s) | — | NW 2 | WNW 3 | WNW 3 | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NNE 4 |
— | 1 | 3 | 10 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 10 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 159 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 106 | 26 | 26 | 0 | 0 | 0 | 0 | 0 | 4 | 0 |
Best forecast wave conditions in The Wairarapa | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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.










