Surf Forecasts:
Castlepoint - The Gap surf forecast from 31 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 12PM (local time) - 15ft (4.5m), 12s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 12AM (local time) - 16ft (5.0m), 12s period, SSW swell with 6,596 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 12PM (local time) - 15ft (4.5m), 12s period with SSW swell.
Best Forecast Surf Conditions for Castlepoint - The Gap this week:
The surf forecast for Castlepoint - The Gap over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 12PM. The primary swell is predicted to be 4.5m and 12s period with a secondary swell of 3.5m and 12s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castlepoint - The Gap in the next 16 days are 5.0m 12s and forecast to arrive on Tuesday (Sep 08) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Monday (Sep 07) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Tue 1st Sep) | 15ft (4.5m) 12s |
| Best Surf | 12PM (Tue 1st Sep) | 15ft (4.5m) 12s |
| Most Powerful | 12AM (Tue 8th Sep) | 16ft (5.0m) 12s |
Table - best surf conditions forecast for Castlepoint - The Gap over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 8°C on Tue morning). Winds increasing (light winds from the SSW on Tue afternoon, strong winds from the WNW by Wed night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Fri morning, min 10°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, calm by Sat morning). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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) | SSW 12 | S 13 | S 13 | S 17 | S 15 | S 13 | S 13 | S 12 | S 11 | S 10 | S 10 | SSW 15 | SSW 13 | SSW 12 | SSW 10 | SSW 10 | SSW 10 | NE 7 | SSW 7 | SSW 11 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5469 | 4868 | 3389 | 1863 | 3170 | 1584 | 623 | 341 | 151 | 73 | 30 | 22 | 198 | 308 | 187 | 108 | 56 | 42 | 320 | 2310 | 6596 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 8:33PM1.24m | 8:53AM1.31m | 9:25PM1.28m | 9:42AM1.37m | 10:15PM1.30m | 10:31AM1.42m | 11:03PM1.32m | 11:23AM1.45m | 11:52PM1.32m | 12:17PM1.46m | 00:45AM1.30m | 1:11PM1.46m | 1:41AM1.28m | ||||||||
Low Tide | 2:21PM0.15m | 2:54AM0.17m | 3:17PM0.12m | 3:42AM0.13m | 4:10PM0.07m | 4:30AM0.08m | 5:01PM0.03m | 5:19AM0.03m | 5:51PM-0.02m | 6:07AM-0.01m | 6:40PM-0.05m | 6:56AM-0.05m | 7:30PM-0.06m | ||||||||
 | |  |  | | | | |  |  | | | | | |  |  | | | |  | |
 | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — |
 | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | 3 | — | — |
Temp °C | 10 | 10 | 11 | 15 | 15 | 13 | 16 | 18 | 15 | 16 | 15 | 11 | 14 | 15 | 12 | 15 | 16 | 13 | 10 | 9 | 9 |
Feels °C | 4 | 7 | 6 | 9 | 8 | 5 | 11 | 15 | 11 | 9 | 7 | 1 | 12 | 13 | 6 | 10 | 11 | 7 | 0 | -1 | 2 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | S 13 | S 13 | S 13 | S 15 | S 13 | S 13 | S 12 | S 11 | S 10 | S 10 | SSW 9 | SSW 13 | SSW 12 | SSW 10 | SSW 10 | SSW 10 | NE 7 | NE 8 | NE 9 | S 12 |
| kJ | 2518 | 4868 | 3389 | 1491 | 3170 | 1584 | 623 | 341 | 151 | 73 | 30 | 17 | 198 | 308 | 187 | 108 | 56 | 42 | 45 | 12 | 3251 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 11 | ENE 10 | S 17 | ESE 11 | NE 10 | NE 10 | NE 9 | NE 10 | NE 10 | NE 5 | NE 7 | SSE 10 | SSE 10 | SSE 10 | SE 9 | SSW 17 | SSW 10 | SSW 16 | — | — |
| kJ | 8 | 12 | 10 | 1863 | 13 | 4 | 4 | 3 | 4 | 4 | 4 | 7 | 10 | 10 | 9 | 3 | 29 | 20 | 24 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | — | ENE 10 | — | SE 12 | SE 11 | SE 10 | SE 12 | S 18 | SSW 16 | SSW 15 | NE 7 | NE 10 | NE 10 | NE 10 | NE 10 | SSW 17 | — | — | — |
| kJ | 5 | — | — | 10 | — | 6 | 5 | 4 | 5 | 6 | 25 | 22 | 2 | 4 | 4 | 4 | 4 | 28 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 12 | — | NNE 10 | NW 4 | NW 4 | WNW 4 | W 3 | WNW 3 | NW 3 | NNW 3 | WNW 3 | W 4 | — | NE 6 | NNW 2 | N 3 | NNE 5 | WNW 4 | SSW 7 | SSW 11 | SSW 12 |
| kJ | 5469 | — | 39 | 15 | 29 | 17 | 7 | 9 | 5 | 7 | 7 | 18 | — | 1 | 1 | 8 | 39 | 21 | 320 | 2310 | 6596 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 76 | 1 | 0 | 0 | 16 | 135 | 74 | 0 | 28 | 192 | 156 | 235 | 0 | 0 | 28 | 55 | 55 | 135 | 228 | 299 | 1 |
Best forecast wave conditions in The Wairarapa | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Castlepoint - The Gap Surf forecast
The above surf forecast table for Castlepoint - The Gap provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castlepoint - The Gap can be found by selecting the local surf guide option on the grey menu. Our Castlepoint - The Gap 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 (Castlepoint - The Gap) 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 Castlepoint - The Gap 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.
Are you planning a holiday in The Wairarapa? If you are looking for accommodation near Castlepoint - The Gap, camping, hotels and holiday cottages in The Wairarapa, consider staying in Masterton which is 48 km (30 miles) away. Other places in and around The Wairarapa where you can find information about places to rent, and car hire include Palmerston North which is 80 km (50 miles) away and Levin, 86 km (53 miles) away.
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