Surf Forecasts:
Castlepoint - The Gap surf forecast from 24 Jul 2026:
- Best quality surf: Monday 27 Jul, 9AM (local time) - 6ft (1.9m), 13s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 28 Jul, 12PM (local time) - 7ft (2.2m), 13s period, ESE swell with 1,668 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 6AM (local time) - 2.5ft (0.8m), 7s period with ENE 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 Saturday (Jul 25) at 6AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.3m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Castlepoint - The Gap in the next 16 days are 2.2m 13s and forecast to arrive on Tuesday (Jul 28) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Jul 29) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 25th Jul) | 2.5ft (0.8m) 7s |
| Best Surf | 9AM (Mon 27th Jul) | 6ft (1.9m) 13s |
| Most Powerful | 12PM (Tue 28th Jul) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Castlepoint - The Gap over the next 16 days.
The Lowdown
Alright, listen up. Rusty here.
We’re looking at The Gap at Castlepoint, and to be honest, the first week is a bit of a write-off for any decent paddle. We’ve got a long gap from now until Monday the 27th of July where it’s just not worth getting wet. The water temp is sitting at 54°, which is pretty much normal for the time of year, nothing to write home about.
Monday the 27th of July morning is where things start to get interesting. The wind is light and cross-off from the WSW, and that clean swell is starting to push through. We’re looking at 6ft of SE swell, with a solid 13-second period. The energy is ramping up nicely (1278) – you’ll feel that push. That’s the best window in the first week, but come Monday afternoon the cross-chop starts to mess with the shape.
The real standout, the one you need to circle on the calendar, is Saturday the 8th of August. Holy moly. The morning session is looking unreal. We’ve got a 8ft SSW swell, 13-second period, and the wind is light and offshore from the WSW. The combined energy is massive (3569) – that’s proper juice. This is excellent surf, but at 8ft, it’s really only for the experienced crew. Beginners, stay on the beach. The Gap is a sheltered spot, and with that long-period groundswell hitting the reef, it’s going to be a proper, clean, powerful wave. That’s the pick of the forecast.
The days leading up to that are a mixed bag. The 1st of August is seeing a big, chunky 10ft swell, but it’s a short period (8 seconds) and the onshore winds are turning it into a messy, choppy beast. That’s more of a kite-surfing setup than a paddle session. The 7th of August Friday afternoon has a solid 6ft S swell with a 17-second period, clean cross-off wind, but it’s only a marginal call. The big one is clearly the 8th.
So, in short: wait for the 8th. It’s a long way off, but it’s a promising one. The rest is mostly waiting and watching.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Sat morning. Very mild (max 14°C on Fri afternoon, min 5°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 12°C on Wed morning, min 6°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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) | S 9 | NNE 5 | ENE 7 | ENE 12 | ENE 12 | SE 16 | S 7 | ESE 14 | ESE 14 | SE 13 | SE 12 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 15 | 57 | 45 | 203 | 198 | 269 | 401 | 286 | 1223 | 1462 | 1435 | 1643 | 1609 | 1401 | 983 | 888 | 540 | 361 | 298 | 288 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross | off | cross-off | cross | cross-off | off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:14PM1.32m | 1:32AM1.22m | 1:59PM1.30m | 2:19AM1.18m | 2:41PM1.29m | 3:05AM1.14m | 3:22PM1.26m | 3:50AM1.11m | 4:03PM1.23m | 4:35AM1.08m | 4:46PM1.21m | 5:20AM1.07m | 5:31PM1.18m | ||||||||
Low Tide | 7:34PM0.22m | 7:39AM0.25m | 8:18PM0.25m | 8:21AM0.28m | 9:02PM0.27m | 9:04AM0.29m | 9:46PM0.28m | 9:49AM0.29m | 10:32PM0.29m | 10:35AM0.27m | 11:21PM0.28m | 11:21AM0.25m | 00:12AM0.26m | ||||||||
 |  |  |  | | | |  |  | | | | | |  | | | | | | | |
 | 7:30 | — | — | 7:28 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | 5:13 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:17 | — |
mm | — | — | 2 | 3 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 13 | 14 | 12 | 10 | 10 | 9 | 9 | 9 | 6 | 9 | 10 | 7 | 9 | 9 | 7 | 12 | 12 | 9 | 13 | 14 | 12 |
Feels °C | 8 | 9 | 8 | 7 | 4 | 3 | 3 | 2 | 1 | 4 | 5 | 3 | 7 | 5 | 3 | 7 | 7 | 4 | 8 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | ENE 7 | ENE 7 | ENE 12 | E 11 | SE 14 | ESE 14 | SE 7 | SE 13 | SE 12 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 15 | 6 | 57 | 33 | 203 | 154 | 214 | 401 | 91 | 1223 | 1462 | 1435 | 1643 | 1609 | 1401 | 983 | 888 | 540 | 361 | 298 | 288 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | ESE 12 | ESE 13 | ENE 12 | SE 17 | SE 16 | E 10 | SSW 14 | ESE 14 | SSW 11 | SSW 11 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 15 | S 15 | SSW 13 | SSW 16 | NE 5 |
| kJ | 2 | 13 | 16 | 45 | 147 | 198 | 104 | 39 | 286 | 22 | 49 | 82 | 68 | 46 | 40 | 10 | 75 | 118 | 60 | 47 | 7 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SW 8 | S 8 | SE 13 | SSW 17 | SSW 16 | SSW 15 | SW 14 | S 7 | SSW 13 | — | — | — | — | — | S 16 | S 18 | ENE 5 | NE 6 | NE 5 | SSW 15 |
| kJ | 12 | 3 | 1 | 27 | 30 | 51 | 44 | 97 | 70 | 33 | — | — | — | — | — | 5 | 26 | 11 | 8 | 4 | 44 |
Wind waves Height (m) Direction Period (s) | N 3 | NNE 5 | NNW 3 | WSW 4 | S 4 | S 6 | S 7 | S 7 | SSW 7 | — | S 6 | — | — | — | NNE 3 | NE 4 | NNE 4 | NW 3 | NNW 3 | NNW 3 | NE 5 |
| kJ | 5 | 15 | 1 | 1 | 22 | 101 | 269 | 239 | 104 | — | 30 | — | — | — | 5 | 8 | 26 | 2 | 6 | 2 | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 76 | 169 | 28 | 1 | 137 | 16 | 76 | 102 | 0 | 0 | 99 | 0 | 0 | 88 | 0 | 16 | 28 | 28 | 28 | 28 | 28 |
Best forecast wave conditions in The Wairarapa | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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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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