Surf Forecasts:
Castlepoint - The Gap surf forecast from 17 Oct 2026:
- Best quality surf: Sunday 18 Oct, 7AM (local time) - 8ft (2.4m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 18 Oct, 10AM (local time) - 7ft (2.1m), 14s period, S swell with 1,699 kJ wave energy.
- Next surfable swell (1★+): Sunday 18 Oct, 7AM (local time) - 8ft (2.4m), 9s period with S 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 (Oct 18) at 7AM. The primary swell is predicted to be 2.4m and 9s period with a secondary swell of 1.7m and 9s. Another secondary swell of 1.1m and 14s 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 2.1m 14s and forecast to arrive on Sunday (Oct 18) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Wednesday (Oct 21) at 4AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 18th Oct) | 8ft (2.4m) 9s |
| Best Surf | 7AM (Sun 18th Oct) | 8ft (2.4m) 9s |
| Most Powerful | 10AM (Sun 18th Oct) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Castlepoint - The Gap over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Mon morning, min 7°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat morning, calm by Sun afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Thu morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||
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) | SSE 10 | SSW 12 | S 9 | S 14 | S 13 | S 14 | S 14 | S 14 | SSW 14 | S 16 | S 16 | S 15 | S 12 | S 11 | S 14 | SSW 13 | SSW 10 | S 10 | S 9 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1941 | 1036 | 1212 | 1699 | 1256 | 1343 | 1298 | 1145 | 1307 | 1297 | 1145 | 859 | 418 | 248 | 925 | 418 | 177 | 94 | 80 | 106 | 78 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-on | off | off | cross-on | cross-off | glassy | cross-on | cross-off | cross-off | cross | cross-off | cross | cross-on | cross-off | glassy | cross-on | cross-off |
High Tide | 10:55AM1.27m | 11:20PM1.19m | 11:37AM1.24m | 11:59PM1.16m | 12:19PM1.21m | 00:38AM1.14m | 1:01PM1.20m | 1:19AM1.12m | 1:43PM1.20m | 2:02AM1.12m | 2:26PM1.21m | 2:49AM1.14m | 3:13PM1.22m | 3:39AM1.18m | |||||||
Low Tide | 5:26PM0.20m | 5:26AM0.26m | 6:07PM0.18m | 6:06AM0.24m | 6:46PM0.16m | 6:44AM0.22m | 7:23PM0.15m | 7:22AM0.20m | 8:00PM0.16m | 8:03AM0.20m | 8:39PM0.18m | 8:47AM0.20m | 9:22PM0.20m | ||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 9 | 12 | 12 | 11 | 19 | 14 | 12 | 14 | 14 | 13 | 16 | 15 | 12 | 18 | 18 | 13 | 15 | 15 | 13 |
Feels °C | 4 | 4 | 4 | 8 | 9 | 9 | 17 | 10 | 11 | 12 | 11 | 10 | 13 | 12 | 11 | 14 | 17 | 12 | 12 | 12 | 9 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SE 9 | S 9 | S 14 | S 13 | S 14 | S 14 | S 14 | SSW 14 | S 16 | S 16 | S 15 | S 12 | S 11 | S 14 | SSW 13 | SSW 10 | S 10 | S 9 | S 9 | S 9 |
| kJ | 258 | 410 | 800 | 1699 | 1256 | 1343 | 1298 | 1145 | 1307 | 1297 | 1145 | 859 | 418 | 248 | 925 | 418 | 177 | 94 | 80 | 106 | 78 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSE 10 | S 15 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 7 | SE 7 | NE 10 | NE 10 | NE 10 | NE 10 | S 16 | NE 10 | ENE 13 | ENE 12 | SSW 9 | ENE 12 | ENE 11 | NE 4 |
| kJ | 504 | 288 | 155 | 70 | 32 | 23 | 11 | 5 | 2 | 4 | 4 | 4 | 4 | 46 | 4 | 16 | 14 | 32 | 13 | 12 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 13 | E 12 | ESE 12 | ESE 11 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | — | NE 16 | NE 10 | NE 14 | — | — | ENE 4 | SSW 13 | S 16 | ENE 11 |
| kJ | 5 | 6 | 3 | 14 | 12 | 5 | 4 | 4 | 4 | 4 | 4 | — | 10 | 4 | 7 | — | — | 1 | 17 | 5 | 12 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSW 12 | S 9 | — | — | — | — | — | — | — | — | NNE 4 | NW 4 | SSW 4 | — | — | NE 3 | — | — | — | NE 4 |
| kJ | 1941 | 1036 | 1212 | — | — | — | — | — | — | — | — | 5 | 7 | 9 | — | — | 5 | — | — | — | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 102 | 273 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 104 | 16 | 0 | 99 | 0 | 28 | 4 | 0 | 0 | 105 | 4 |
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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