Surf Forecasts:
The Island (Island Bay) surf forecast from 5 Aug 2026:
- Best quality surf: Thursday 6 Aug, 9AM (local time) - 5ft (1.6m), 10s period, SSE swell with cross-offshore winds.
- Most powerful swell: Friday 7 Aug, 12PM (local time) - 6ft (1.9m), 14s period, S swell with 1,391 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 9AM (local time) - 5ft (1.6m), 10s period with SSE 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 Thursday (Aug 06) at 9AM. The primary swell is predicted to be 1.6m and 10s period with a secondary swell of 1.1m and 11s. 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 14s and forecast to arrive on Friday (Aug 07) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Sunday (Aug 09) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 6th Aug) | 5ft (1.6m) 10s |
| Best Surf | 9AM (Thu 6th Aug) | 5ft (1.6m) 10s |
| Most Powerful | 12PM (Fri 7th Aug) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 12°C on Sat morning, min 6°C on Wed night). Winds increasing (calm on Thu morning, strong winds from the NNW by Fri morning). | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 12°C on Sat night, min 9°C on Sat night). Winds decreasing (strong winds from the NNW on Sun morning, light winds from the WNW by Sun night). | ||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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 11 | SSE 10 | SE 10 | SE 10 | S 15 | S 13 | S 12 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | S 9 | S 7 | S 8 | SSE 11 | SSE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1504 | 500 | 392 | 322 | 1070 | 1127 | 547 | 546 | 442 | 290 | 200 | 128 | 72 | 96 | 133 | 110 | 157 | 149 | 113 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | on | on | on | on | cross |
High Tide | 10:17PM1.57m | 10:35AM1.64m | 11:05PM1.60m | 11:25AM1.69m | 11:54PM1.62m | 12:17PM1.73m | 00:46AM1.62m | 1:12PM1.76m | 1:42AM1.62m | 2:07PM1.78m | 2:41AM1.61m | 3:04PM1.79m | |||||||
Low Tide | 4:36AM0.63m | 4:58PM0.61m | 5:22AM0.60m | 5:48PM0.58m | 6:09AM0.57m | 6:39PM0.54m | 6:57AM0.54m | 7:30PM0.52m | 7:49AM0.51m | 8:24PM0.50m | 8:45AM0.49m | 9:22PM0.50m | |||||||
 |  | | |  |  |  | | |  |  | | | | | | | |  | |
 | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — |
 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | — | — | — | — | — | — | 2 |
Temp °C | 7 | 7 | 7 | 8 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 10 | 9 | 10 | 11 | 8 |
Feels °C | 2 | 5 | 4 | 4 | 1 | 4 | 4 | 8 | 6 | 7 | 3 | 6 | 6 | 8 | 6 | 6 | 7 | 8 | 4 |
Swell 1 Height (m) Direction Period (s) | S 11 | SSE 10 | SE 10 | SE 10 | S 15 | S 13 | S 12 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | S 9 | SSE 9 | S 8 | SSE 11 | SSE 8 |
| kJ | 1504 | 500 | 392 | 322 | 1070 | 1127 | 547 | 546 | 442 | 290 | 200 | 128 | 72 | 96 | 133 | 62 | 157 | 149 | 113 |
Swell 2 Height (m) Direction Period (s) | SE 16 | S 11 | S 10 | S 10 | S 10 | SE 12 | SE 11 | SE 10 | SE 11 | S 18 | — | E 13 | SSE 12 | NW 9 | NW 10 | SE 12 | SSE 11 | NW 8 | SSE 10 |
| kJ | 41 | 281 | 333 | 230 | 220 | 175 | 96 | 16 | 19 | 6 | — | 3 | 15 | 19 | 23 | 71 | 87 | 3 | 73 |
Swell 3 Height (m) Direction Period (s) | SE 16 | SE 15 | SE 15 | SE 12 | SE 10 | — | S 16 | ESE 12 | S 16 | S 15 | NW 7 | S 18 | S 16 | SSW 15 | SSW 15 | NNW 10 | NNW 9 | S 13 | N 8 |
| kJ | 93 | 76 | 56 | 184 | 200 | — | 129 | 15 | 5 | 4 | 2 | 6 | 5 | 23 | 21 | 18 | 8 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | NNW 4 | NW 5 | NW 5 | NW 5 | NNW 4 | NNW 4 | NNW 6 | NW 6 | NW 5 | S 3 | SSW 8 | S 7 | — | S 7 | NE 3 |
| kJ | — | — | — | 1 | 35 | 115 | 67 | 18 | 40 | 39 | 96 | 200 | 115 | 1 | 75 | 110 | — | 109 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 61 | 0 | 0 | 1 | 39 | 60 | 54 | 0 | 39 | 39 | 39 | 60 | 39 | 15 | 15 | 27 | 39 | 39 | 1 |
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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