Surf Forecasts:
Castlepoint - The Gap surf forecast from 3 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 6AM (local time) - 13ft (4.0m), 10s period, ESE swell with glassy winds.
- Most powerful swell: Friday 10 Jul, 12PM (local time) - 13ft (4.0m), 10s period, SE swell with 3,647 kJ wave energy.
- Next surfable swell (1★+): Sunday 5 Jul, 9AM (local time) - 6ft (1.8m), 8s period with NE 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 Sunday (Jul 05) at 9AM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 1.3m and 8s. Another secondary swell of 0.9m and 10s 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 4.0m 10s and forecast to arrive on Friday (Jul 10) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Jul 04) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 5th Jul) | 6ft (1.8m) 8s |
| Best Surf | 6AM (Wed 8th Jul) | 13ft (4.0m) 10s |
| Most Powerful | 12PM (Fri 10th Jul) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Castlepoint - The Gap over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. Let's have a look at what's on offer for Castlepoint - The Gap over the next couple of weeks.
We've got a mixed bag coming our way. There’s some solid swell energy building, but the wind and conditions are going to be the real deciding factors. The water’s sitting at 55°F, which is pretty much spot on for this time of year, so no surprises there.
The first real chance to get wet looks like Sunday morning, July 5th. We’ve got a 6ft easterly swell with a short, choppy 8-second period, and a gentle north wind keeping it cross-offshore. The combined energy is moderate at 825, and it’s clean. It’s not a world-beater, but for a beginner-friendly spot that's fairly consistent, it’s a decent Sunday session.
The standout session, no question, is Wednesday morning, July 8th. That’s the one. We’ve got a solid 10ft easterly groundswell rolling in with an 11-second period, which gives it some real grunt. The combined energy is a strong 2453, and with zero wind forecast, it’s going to be absolutely glassy. The direction matches the optimum for the break, but at this size, it’s strictly for experienced surfers only, especially as this spot is a sheltered setup that can get a bit tricky on a bigger east swell. The early crowd is likely, so get down there early.
After that, things get messy. A strong southerly change rolls in from Thursday the 9th through to Monday the 13th, bringing strong winds and lumpy, poor conditions. The swell stays big, with a 13ft Southerly swell on Friday the 10th, but with the fresh cross-onshore winds, the wave quality is cactus. That 13ft day is just nasty.
There's a bit of a lull then, with nothing much worth paddling out for until the following week. We see a promising blip on the long-range radar for Friday morning, July 17th. A 7ft Southeast swell, but this one has a *very* long 17-second period. That's proper groundswell energy (combined energy of 2330). At Castlepoint - The Gap, those long period swells often peel beautifully, but they can also straighten out a bit at beach breaks. The wind looks light, so it could be magic, but being a week and a half out, keep your expectations flexible. It’s a long-range promise, not a guarantee.
Overall, keep your eyes on that Wednesday the 8th for the big clean stuff, and maybe pencil in the Friday the 17th for a look.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 14°C on Sun morning, min 8°C on Sat morning). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Wed night. Very mild (max 13°C on Tue morning, min 10°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the S by Thu night). | ||||||||||||||||||||
Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||||
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) | E 12 | E 11 | E 11 | NE 8 | E 10 | ENE 8 | ENE 8 | ENE 10 | E 9 | E 10 | E 10 | ESE 10 | E 11 | E 11 | ESE 10 | E 10 | E 10 | ESE 10 | SE 10 | ESE 11 | ESE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 461 | 411 | 224 | 448 | 136 | 128 | 432 | 1086 | 364 | 1447 | 1184 | 1341 | 2079 | 1830 | 1018 | 640 | 520 | 684 | 3048 | 2970 | 1962 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | glassy | cross | cross | on | cross-on | cross | cross-on | cross | cross |
High Tide | 8:27PM1.17m | 8:57AM1.11m | 9:16PM1.18m | 9:41AM1.15m | 10:04PM1.20m | 10:24AM1.20m | 10:51PM1.23m | 11:10AM1.26m | 11:38PM1.27m | 11:59AM1.33m | 00:27AM1.31m | 12:51PM1.40m | 1:19AM1.33m | ||||||||
Low Tide | 2:10PM0.22m | 3:03AM0.19m | 2:57PM0.20m | 3:46AM0.17m | 3:45PM0.19m | 4:28AM0.16m | 4:34PM0.17m | 5:12AM0.15m | 5:24PM0.15m | 5:56AM0.13m | 6:15PM0.13m | 6:41AM0.11m | 7:07PM0.10m | ||||||||
 | |  | |  | |  | |  |  |  | | | |  | | | | | |  | |
 | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:37 | — | — | 7:37 | — | — |
 | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — |
mm | — | — | — | — | — | — | 2 | — | 4 | — | 1 | — | — | — | 9 | 2 | 2 | 7 | 4 | 1 | 1 |
Temp °C | 12 | 13 | 10 | 14 | 14 | 12 | 13 | 13 | 12 | 13 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Feels °C | 7 | 8 | 5 | 11 | 11 | 6 | 10 | 11 | 6 | 10 | 9 | 10 | 11 | 9 | 8 | 10 | 7 | 6 | 5 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 11 | E 11 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 10 | E 9 | E 10 | E 10 | ESE 10 | E 11 | E 11 | ESE 10 | E 10 | E 10 | ESE 10 | SSW 17 | ESE 11 | ESE 10 |
| kJ | 461 | 411 | 224 | 213 | 136 | 128 | 352 | 1086 | 364 | 1447 | 1184 | 1341 | 2079 | 1830 | 1018 | 640 | 520 | 684 | 101 | 2970 | 1962 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 12 | E 10 | E 10 | E 10 | SSW 6 | SSW 9 | ENE 10 | SSW 10 | SSW 9 | S 14 | S 8 | S 8 | S 8 | SSW 16 | SE 9 | SSW 19 | SW 10 | SSW 17 | SSW 16 |
| kJ | 7 | 6 | 3 | 159 | 125 | 98 | 36 | 76 | 307 | 137 | 115 | 107 | 216 | 257 | 257 | 86 | 255 | 70 | 26 | 92 | 83 |
Swell 3 Height (m) Direction Period (s) | — | — | S 16 | S 16 | S 17 | S 15 | S 21 | SSW 19 | SSW 10 | SSW 16 | SSW 16 | — | SE 8 | SSW 13 | SW 12 | SSW 11 | SSW 15 | SSW 14 | NE 8 | — | SSW 21 |
| kJ | — | — | 5 | 5 | 6 | 4 | 33 | 72 | 154 | 86 | 83 | — | 158 | 63 | 34 | 47 | 74 | 19 | 11 | — | 87 |
Wind waves Height (m) Direction Period (s) | NNW 2 | N 4 | ENE 7 | NE 8 | — | — | ENE 8 | — | — | — | — | S 8 | — | — | — | SSE 8 | S 8 | SSE 9 | SE 10 | S 8 | S 8 |
| kJ | 1 | 9 | 150 | 448 | — | — | 432 | — | — | — | — | 50 | — | — | — | 602 | 364 | 560 | 3048 | 470 | 466 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 28 | 183 | 0 | 0 | 1 | 135 | 99 | 55 | 28 | 99 | 4 | 0 | 1 | 28 | 102 | 102 | 169 | 287 | 287 | 102 |
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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