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The Island (Island Bay) surfForecast / Wellington / New Zealand
16 Day Weather and Surf, issued 5 am Monday 18 May 2026 NZSTForecast update in hr min s Forecast update imminent
The Island (Island Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Island (Island Bay) sea temperature is
14.0° C
(Which is normal for this time of year)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 (May 18) at 12PM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.2m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at The Island (Island Bay) in the next 16 days are 1.6m 16s and forecast to arrive on Sunday (May 24) at 9PM. 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 6s period and expected on Thursday (May 21) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Mon 18th May) | 2.5ft (0.8m) 9s |
| Best Surf | 6PM (Sun 24th May) | 5ft (1.5m) 14s |
| Most Powerful | 9PM (Sun 24th May) | 5ft (1.6m) 16s |
Table - best surf conditions forecast for The Island (Island Bay) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Wed night, min 10°C on Mon morning). Winds increasing (calm on Mon morning, strong winds from the NNW by Wed night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Thu morning, min 11°C on Sat night). Winds decreasing (strong winds from the NNW on Thu morning, calm by Sat night). | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
S 9 | S 8 | SSE 10 | S 9 | S 9 | SSE 8 | SSE 10 | SSE 9 | S 14 | S 13 | S 12 | S 11 | SSE 10 | SSE 10 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 14 | S 14 | S 15 | |
99 | 64 | 128 | 60 | 57 | 22 | 18 | 8 | 4 | 14 | 26 | 37 | 33 | 31 | 133 | 195 | 198 | 218 | 390 | 849 | 1010 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | glassy | cross-off | |
High Tide | 6:04PM1.87m | 6:44AM1.72m | 7:03PM1.89m | 7:42AM1.72m | 8:00PM1.88m | 8:38AM1.71m | 8:58PM1.85m | 9:32AM1.70m | 9:56PM1.80m | 10:25AM1.68m | 10:53PM1.75m | 11:18AM1.65m | 11:48PM1.70m | ||||||||
Low Tide | 11:57AM0.60m | 00:38AM0.54m | 12:54PM0.55m | 1:39AM0.50m | 1:50PM0.50m | 2:37AM0.46m | 2:46PM0.47m | 3:32AM0.45m | 3:43PM0.46m | 4:25AM0.45m | 4:39PM0.47m | 5:16AM0.47m | 5:35PM0.50m | ||||||||
 | |  | | | | | |  |  | | | | | | | | | | | | |
 | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:30 | — | — |
 | — | 5:08 | — | — | 5:07 | — | — | 5:07 | — | — | 5:06 | — | — | 5:06 | — | — | 5:05 | — | — | 5:04 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 |
10 | 10 | 10 | 8 | 7 | 5 | 4 | 4 | 5 | 7 | 7 | 10 | 11 | 8 | 8 | 10 | 11 | 13 | 12 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | S 9 | S 8 | SSE 10 | S 9 | S 9 | SSE 8 | SSE 10 | SSE 9 | S 8 | S 13 | S 12 | S 11 | SSE 10 | SSE 10 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 14 | S 14 | S 15 |
 kJ | 99 | 64 | 128 | 60 | 57 | 22 | 18 | 8 | 1 | 14 | 26 | 37 | 33 | 31 | 133 | 195 | 198 | 218 | 390 | 849 | 1010 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSE 12 | SSW 12 | SE 13 | SSE 12 | SSE 11 | S 14 | S 14 | E 13 | E 13 | E 12 | E 12 | S 16 | S 16 | SSE 9 | SSE 10 | NNW 8 | SE 11 | S 9 | NW 9 | NW 8 |
| kJ | 18 | 28 | 26 | 7 | 14 | 11 | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 5 | 8 | 11 | 6 | 5 | 76 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 12 | S 15 | S 14 | S 14 | E 14 | E 14 | S 14 | — | — | S 17 | E 11 | — | — | NW 8 | SE 10 | NW 10 | NW 10 | NNW 9 | NW 8 |
| kJ | 18 | 17 | 26 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | 6 | 2 | — | — | 3 | 4 | 4 | 4 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 3 | NNW 4 | NNW 5 | NNW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NNW 5 | NNW 6 | NW 6 | NW 5 | SSW 4 | S 4 | SE 3 | SE 4 | E 4 |
| kJ | — | — | — | — | 7 | 34 | 153 | 207 | 330 | 202 | 148 | 98 | 124 | 164 | 200 | 28 | 1 | 17 | 6 | 12 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 9 | 39 | 0 | 0 | 1 | 40 | 65 | 180 | 177 | 136 | 112 | 0 | 1 | 44 | 39 | 1 | 0 | 9 | 1 | 0 | 1 |
Best forecast wave conditions in Wellington | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Island (Island Bay) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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