Surf Forecasts:
The Island (Island Bay) surf forecast from 28 Aug 2026:
- Best quality surf: Monday 31 Aug, 9AM (local time) - 8ft (2.5m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 2 Sep, 6PM (local time) - 8ft (2.5m), 16s period, S swell with 3,182 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 3AM (local time) - 1.5ft (0.5m), 10s period with S 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 Sunday (Aug 30) at 3AM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at The Island (Island Bay) in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Sep 02) at 6PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 7s period and expected on Friday (Sep 04) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 30th Aug) | 1.5ft (0.5m) 10s |
| Best Surf | 9AM (Mon 31st Aug) | 8ft (2.5m) 11s |
| Most Powerful | 6PM (Wed 2nd Sep) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 15°C on Sun afternoon, min 6°C on Mon night). Winds increasing (light winds from the ENE on Sun night, strong winds from the NW by Mon night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Tue morning. Very mild (max 15°C on Thu afternoon, min 7°C on Tue morning). Winds increasing (calm on Tue night, strong winds from the NW by Thu night). | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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 11 | S 11 | S 10 | SSW 12 | SSW 12 | SSW 16 | S 11 | SSW 12 | SSW 12 | SSW 10 | S 11 | S 12 | S 12 | S 16 | S 14 | S 13 | S 12 | S 11 | S 10 | SSW 8 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 240 | 184 | 100 | 78 | 121 | 350 | 1574 | 1390 | 876 | 2281 | 2425 | 2340 | 1954 | 1322 | 1855 | 653 | 411 | 184 | 68 | 1044 | 656 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | cross-on | cross-off | off | off | cross-on | cross-on | cross-off | cross-off | off | off | off | off | off | off | on | cross-off |
High Tide | 5:34PM1.51m | 6:06AM1.46m | 6:28PM1.52m | 6:57AM1.50m | 7:24PM1.54m | 7:48AM1.56m | 8:18PM1.56m | 8:38AM1.62m | 9:10PM1.59m | 9:27AM1.67m | 10:00PM1.61m | 10:16AM1.71m | 10:48PM1.62m | ||||||||
Low Tide | 11:19AM0.69m | 00:10AM0.72m | 12:13PM0.68m | 1:01AM0.71m | 1:08PM0.67m | 1:50AM0.69m | 2:06PM0.65m | 2:39AM0.67m | 3:02PM0.62m | 3:27AM0.63m | 3:55PM0.59m | 4:15AM0.59m | 4:46PM0.55m | ||||||||
 | |  | |  |  | | |  |  | |  | | | | | | | | | | |
 | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — |
 | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — |
mm | — | — | — | — | — | 1 | — | — | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 14 | 15 | 14 | 12 | 14 | 13 | 9 | 9 | 9 | 12 | 14 | 13 | 14 | 15 | 15 | 15 | 13 | 11 |
Feels °C | 4 | 5 | 6 | 8 | 7 | 4 | 4 | 4 | 4 | 0 | 1 | 1 | 3 | 7 | 4 | 6 | 7 | 8 | 9 | 7 | 4 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | SSW 12 | SSW 12 | WNW 5 | S 11 | SSW 12 | SSW 12 | NW 7 | — | S 12 | S 12 | S 12 | S 14 | S 13 | S 12 | S 11 | S 10 | NW 8 | S 9 |
| kJ | 240 | 184 | 100 | 78 | 121 | 90 | 1574 | 1390 | 876 | 8 | — | 2340 | 1954 | 1313 | 1855 | 653 | 411 | 184 | 68 | 29 | 656 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | SSW 14 | SE 12 | SSE 10 | SSE 9 | SSW 16 | SE 11 | SE 11 | SE 11 | — | — | — | — | S 16 | SE 12 | — | — | — | SSW 14 | SE 12 | SSW 15 |
| kJ | 17 | 20 | 23 | 32 | 17 | 350 | 5 | 5 | 5 | — | — | — | — | 1322 | 6 | — | — | — | 19 | 5 | 42 |
Swell 3 Height (m) Direction Period (s) | S 15 | SE 13 | SSW 13 | ESE 12 | SE 12 | SE 12 | — | — | — | — | — | — | — | SE 13 | — | — | — | — | SE 12 | — | SE 17 |
| kJ | 19 | 26 | 18 | 14 | 5 | 5 | — | — | — | — | — | — | — | 6 | — | — | — | — | 6 | — | 12 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 5 | NW 5 | NNW 4 | NW 6 | SSW 7 | — | NW 6 | NW 6 | SSW 10 | S 11 | — | NW 4 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | SSW 8 | NNW 8 |
| kJ | 149 | 62 | 49 | 17 | 178 | 34 | — | 208 | 424 | 2281 | 2425 | — | 19 | 88 | 172 | 256 | 150 | 214 | 505 | 1044 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 39 | 60 | 39 | 9 | 60 | 61 | 0 | 74 | 74 | 61 | 215 | 1 | 39 | 56 | 61 | 61 | 61 | 61 | 74 | 129 | 1 |
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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