Surf Forecasts:
The Island (Island Bay) surf forecast from 10 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 6AM (local time) - 3.5ft (1.1m), 7s period, SE swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 6AM (local time) - 16ft (5.0m), 10s period, S swell with 5,109 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 6AM (local time) - 3.5ft (1.1m), 7s period with SE 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 Wednesday (Aug 12) at 6AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.3m and 12s. 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 5.0m 10s and forecast to arrive on Monday (Aug 17) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Thursday (Aug 13) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 12th Aug) | 3.5ft (1.1m) 7s |
| Best Surf | 6AM (Wed 12th Aug) | 3.5ft (1.1m) 7s |
| Most Powerful | 6AM (Mon 17th Aug) | 16ft (5.0m) 10s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 13°C on Wed afternoon, min 8°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Sat afternoon. Very mild (max 12°C on Fri morning, min 7°C on Sun morning). Winds increasing (light winds from the E on Fri night, near gales from the SSW by Sat night). | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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 | S 8 | SSE 8 | SE 7 | S 10 | S 10 | SSE 9 | SE 9 | SE 9 | SE 11 | S 5 | SSW 5 | SSW 17 | SSW 16 | SSW 16 | SSW 6 | SSW 7 | S 10 | S 10 | S 9 | SSE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 645 | 324 | 198 | 94 | 52 | 46 | 27 | 24 | 22 | 23 | 106 | 19 | 55 | 86 | 80 | 230 | 666 | 4716 | 4900 | 3219 | 1464 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:04PM1.79m | 3:41AM1.60m | 4:02PM1.77m | 4:39AM1.60m | 5:01PM1.75m | 5:37AM1.60m | 6:00PM1.72m | 6:34AM1.61m | 6:58PM1.68m | 7:30AM1.63m | 7:55PM1.65m | 8:23AM1.64m | 8:49PM1.63m | ||||||||
Low Tide | 9:22PM0.50m | 9:45AM0.47m | 10:24PM0.51m | 10:46AM0.45m | 11:28PM0.53m | 11:45AM0.45m | 00:28AM0.54m | 12:44PM0.47m | 1:24AM0.56m | 1:42PM0.51m | 2:17AM0.58m | 2:40PM0.55m | |||||||||
 | |  | |  |  | | |  | |  | |  |  | | | | |  | | | |
 | 7:16 | — | — | 7:16 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | 3 | 6 | 4 | 4 | 1 | 3 | 1 | — | — |
Temp °C | 11 | 11 | 9 | 12 | 13 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 10 |
Feels °C | 8 | 8 | 6 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 8 | 10 | 11 | 3 | 0 | -2 | -3 | -3 | -1 | 2 | 2 |
Swell 1 Height (m) Direction Period (s) | SE 11 | S 8 | SSE 8 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | SSW 5 | ESE 7 | SSW 16 | SSW 16 | ESE 8 | ESE 8 | E 9 | — | — | E 10 |
| kJ | 133 | 324 | 198 | 94 | 47 | 40 | 27 | 24 | 22 | 21 | 21 | 18 | 18 | 86 | 80 | 13 | 14 | 134 | — | — | 143 |
Swell 2 Height (m) Direction Period (s) | S 14 | SSE 11 | SE 11 | SE 11 | S 10 | S 10 | SSE 9 | SE 9 | SE 9 | SE 11 | ESE 11 | ESE 7 | SSW 17 | SE 13 | ESE 7 | ESE 13 | SE 12 | — | — | — | — |
| kJ | 14 | 84 | 31 | 29 | 52 | 46 | 27 | 20 | 19 | 18 | 13 | 18 | 55 | 7 | 18 | 16 | 6 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 8 | S 13 | S 13 | S 10 | E 13 | NW 7 | SE 14 | SE 14 | NNW 7 | SSW 15 | SSW 15 | ESE 14 | SSW 4 | SE 11 | SE 14 | SE 10 | S 20 | — | — | — | — |
| kJ | 2 | 14 | 13 | 19 | 3 | 2 | 7 | 7 | 5 | 23 | 21 | 19 | 1 | 5 | 7 | 4 | 8 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | — | ENE 3 | NE 3 | NNW 4 | NW 3 | NNW 4 | NNW 4 | NNW 3 | SSW 2 | S 5 | SE 3 | E 3 | ESE 7 | SSW 4 | SSW 6 | SSW 7 | S 10 | S 10 | S 9 | SSE 9 |
| kJ | 645 | — | 1 | 1 | 2 | 2 | 23 | 21 | 2 | 1 | 106 | 2 | 6 | 48 | 21 | 230 | 666 | 4716 | 4900 | 3219 | 1464 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 61 | 43 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 44 | 39 | 1 | 29 | 39 | 131 | 109 | 109 | 109 | 113 | 113 | 61 |
Best forecast wave conditions in Wellington | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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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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