Surf Forecasts:
The Island (Island Bay) surf forecast from 23 Aug 2026:
- Best quality surf: Monday 24 Aug, 6AM (local time) - 2.5ft (0.7m), 14s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 12PM (local time) - 6ft (1.9m), 17s period, S swell with 2,167 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 6AM (local time) - 2.5ft (0.7m), 14s period with SSW swell.
Best Forecast Surf Conditions for The Island (Island Bay) this week:
The surf forecast for The Island (Island Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 6AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.8m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Island (Island Bay) in the next 16 days are 1.9m 17s and forecast to arrive on Thursday (Aug 27) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Friday (Aug 28) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 24th Aug) | 2.5ft (0.7m) 14s |
| Best Surf | 6AM (Mon 24th Aug) | 2.5ft (0.7m) 14s |
| Most Powerful | 12PM (Thu 27th Aug) | 6ft (1.9m) 17s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 14°C on Tue morning, min 10°C on Sun night). Winds increasing (light winds from the N on Sun night, strong winds from the NNW by Mon night). | Days 5-7 Weather SummaryModerate rain (total 19mm), heaviest on Fri night. Very mild (max 14°C on Wed night, min 11°C on Fri afternoon). Winds decreasing (fresh winds from the N on Fri morning, light winds from the NNE by Sat morning). | ||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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 7 | SSW 13 | SSW 12 | SSW 12 | S 11 | S 14 | SSW 15 | SSW 14 | SSW 14 | SSW 17 | S 18 | S 17 | S 13 | S 12 | S 12 | S 11 | S 11 | S 11 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 47 | 1451 | 1019 | 486 | 238 | 423 | 355 | 280 | 265 | 745 | 2000 | 1859 | 683 | 430 | 287 | 303 | 289 | 238 | 343 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross |
High Tide | 1:24AM1.48m | 1:46PM1.56m | 2:09AM1.44m | 2:27PM1.54m | 2:54AM1.42m | 3:09PM1.52m | 3:39AM1.41m | 3:54PM1.51m | 4:26AM1.41m | 4:42PM1.51m | 5:15AM1.43m | 5:34PM1.51m | |||||||
Low Tide | 7:27AM0.73m | 8:05PM0.70m | 8:07AM0.73m | 8:46PM0.71m | 8:51AM0.72m | 9:30PM0.72m | 9:38AM0.71m | 10:20PM0.72m | 10:28AM0.70m | 11:15PM0.73m | 11:19AM0.69m | 00:10AM0.72m | |||||||
 |  | |  |  |  | | | |  | | | | |  |  | | | | |
 | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 12 | — | — | 3 |
Temp °C | 11 | 11 | 13 | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 12 |
Feels °C | 3 | 7 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 7 | 5 | 5 | 10 | 11 | 10 | 7 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 13 | SSW 12 | SSW 12 | S 11 | S 14 | SSW 15 | SSW 14 | SSW 14 | SSW 17 | S 18 | S 17 | S 13 | S 12 | S 12 | S 11 | S 11 | S 11 | S 8 |
| kJ | 47 | 1451 | 1019 | 486 | 238 | 423 | 355 | 280 | 265 | 745 | 2000 | 1859 | 683 | 430 | 287 | 303 | 289 | 238 | 343 |
Swell 2 Height (m) Direction Period (s) | NW 9 | SE 14 | ESE 14 | ESE 14 | SSW 14 | ESE 14 | SE 14 | ESE 14 | SE 14 | ESE 13 | ESE 13 | SE 13 | ESE 6 | E 6 | SE 15 | SSE 15 | S 14 | NNW 8 | SSE 10 |
| kJ | 12 | 7 | 19 | 20 | 118 | 19 | 8 | 19 | 7 | 17 | 16 | 7 | 3 | 2 | 9 | 43 | 94 | 6 | 180 |
Swell 3 Height (m) Direction Period (s) | SE 14 | — | — | N 15 | ESE 14 | — | — | — | SE 11 | ESE 13 | — | ESE 12 | SE 12 | SE 16 | ESE 15 | SSE 15 | NW 8 | ESE 13 | NW 7 |
| kJ | 7 | — | — | 4 | 19 | — | — | — | 5 | 16 | — | 13 | 6 | 10 | 21 | 43 | 32 | 17 | 2 |
Wind waves Height (m) Direction Period (s) | WNW 5 | NW 3 | NNW 4 | NW 5 | NW 6 | NW 4 | NNW 4 | NNW 4 | NNW 5 | NW 5 | — | NNW 5 | NNW 5 | NNW 6 | NNW 7 | NW 6 | WNW 8 | S 6 | — |
| kJ | 59 | 7 | 45 | 71 | 183 | 46 | 18 | 19 | 61 | 64 | — | 63 | 77 | 187 | 458 | 133 | 13 | 206 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 65 | 1 | 55 | 61 | 74 | 60 | 2 | 39 | 61 | 61 | 1 | 55 | 39 | 39 | 55 | 1 | 15 | 0 | 60 |
Best forecast wave conditions in Wellington | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the The Island (Island Bay) Surf forecast
The above surf forecast table for The Island (Island Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Island (Island Bay) can be found by selecting the local surf guide option on the grey menu. Our The Island (Island Bay) 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 (The Island (Island Bay)) 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 The Island (Island Bay) 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.
The Island (Island Bay) is 8 km (5 miles) from the city of Wellington. If you plan a holiday in Wellington, look for hotels and other accommodation in Wellington. Wellington has rooms for a wide range of budgets as well as car hire and transport links.
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