Surf Forecasts:
The Island (Island Bay) surf forecast from 5 Sep 2026:
- Best quality surf: Friday 11 Sep, 3AM (local time) - 13ft (4.0m), 9s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 12AM (local time) - 15ft (4.5m), 13s period, SSW swell with 6,279 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 3AM (local time) - 13ft (4.0m), 9s 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 Friday (Sep 11) at 3AM. The primary swell is predicted to be 4.0m and 9s period. 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 4.5m 13s and forecast to arrive on Sunday (Sep 13) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Sep 06) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 11th Sep) | 13ft (4.0m) 9s |
| Best Surf | 3AM (Fri 11th Sep) | 13ft (4.0m) 9s |
| Most Powerful | 12AM (Sun 13th Sep) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Short Range ForecastHeavy rain (total 45mm), heaviest during Sun night. Very mild (max 14°C on Sun morning, min 8°C on Mon morning). Winds decreasing (near gales from the NNW on Sun afternoon, light winds from the ESE by Tue morning). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Very mild (max 12°C on Wed morning, min 7°C on Tue night). Winds decreasing (strong winds from the NNW on Wed night, light winds from the WSW by Thu night). | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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) | SSW 12 | SSW 10 | SSW 16 | SSW 15 | SSW 10 | S 7 | SSE 7 | SE 7 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | SE 8 | SSW 14 | SSW 7 | S 9 | S 9 | S 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 217 | 74 | 201 | 184 | 148 | 524 | 444 | 165 | 170 | 186 | 165 | 129 | 88 | 42 | 15 | 66 | 656 | 1113 | 588 | 149 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-on | on | on | on | cross-on | on | on | cross-off | off | off | off | off | cross-on | off | off | cross-off |
High Tide | 11:37PM1.62m | 12:02PM1.74m | 00:30AM1.61m | 12:56PM1.74m | 1:26AM1.59m | 1:52PM1.74m | 2:24AM1.58m | 2:48PM1.72m | 3:22AM1.57m | 3:46PM1.70m | 4:19AM1.57m | 4:43PM1.67m | ||||||||
Low Tide | 5:36PM0.51m | 5:52AM0.51m | 6:25PM0.49m | 6:41AM0.48m | 7:15PM0.48m | 7:33AM0.47m | 8:07PM0.49m | 8:30AM0.47m | 9:03PM0.51m | 9:29AM0.47m | 10:02PM0.55m | 10:29AM0.49m | 11:04PM0.59m | |||||||
 |  |  |  |  |  | |  | | |  | |  | | | |  | | | | |
 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — |
 | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — |
mm | — | — | — | 1 | 28 | 11 | 5 | — | — | — | — | — | — | — | — | — | 3 | — | — | 1 |
Temp °C | 13 | 13 | 14 | 14 | 14 | 8 | 9 | 9 | 11 | 11 | 9 | 12 | 12 | 12 | 12 | 12 | 8 | 12 | 13 | 13 |
Feels °C | 3 | 5 | 5 | 5 | 8 | -1 | 3 | 4 | 8 | 7 | 5 | 5 | 4 | 2 | 4 | 3 | 2 | 3 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 10 | SSW 16 | SSW 15 | NW 8 | NW 8 | NNW 8 | SSW 10 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | SE 8 | SSW 14 | NW 7 | S 9 | S 9 | S 17 |
| kJ | 217 | 74 | 201 | 184 | 169 | 15 | 7 | 120 | 170 | 186 | 165 | 129 | 88 | 42 | 15 | 66 | 22 | 1113 | 588 | 149 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 9 | — | SSW 10 | SSW 15 | SSW 15 | NNW 9 | SSW 10 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SE 8 | SSW 19 | SSW 18 | S 18 | NW 18 |
| kJ | 4 | 4 | 3 | — | 52 | 47 | 21 | 7 | 123 | 79 | 54 | 51 | 34 | 21 | 11 | 14 | 74 | 113 | 169 | 12 |
Swell 3 Height (m) Direction Period (s) | — | S 10 | — | — | SSW 16 | — | N 8 | SSW 14 | NNW 9 | NNW 8 | NW 8 | NW 8 | S 19 | S 18 | SW 14 | S 8 | ESE 8 | SSW 14 | NW 19 | SE 7 |
| kJ | — | 2 | — | — | 48 | — | 1 | 21 | 7 | 7 | 3 | 3 | 7 | 6 | 7 | 5 | 6 | 68 | 14 | 2 |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NW 7 | SSW 10 | S 7 | SSE 7 | SE 7 | — | — | — | — | NNW 4 | NNW 6 | NW 5 | NW 5 | SSW 7 | — | NW 4 | W 6 |
| kJ | 307 | 216 | 377 | 421 | 148 | 524 | 444 | 165 | — | — | — | — | 24 | 275 | 96 | 138 | 656 | — | 12 | 154 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 110 | 123 | 123 | 65 | 112 | 62 | 62 | 27 | 11 | 29 | 9 | 1 | 54 | 61 | 123 | 74 | 61 | 56 | 85 | 0 |
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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