Surf Forecasts:
Osterizers/Rainbows surf forecast from 20 Oct 2026:
- Best quality surf: Monday 26 Oct, 5PM (local time) - 3ft (0.9m), 16s period, NNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 27 Oct, 2AM (local time) - 4ft (1.2m), 15s period, NNW swell with 600 kJ wave energy.
- Next surfable swell (1★+): Thursday 22 Oct, 8AM (local time) - 1.5ft (0.4m), 12s period with NW swell.
Best Forecast Surf Conditions for Osterizers/Rainbows this week:
The surf forecast for Osterizers/Rainbows over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 22) at 8AM. The primary swell is predicted to be 0.4m and 12s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Osterizers/Rainbows in the next 16 days are 1.2m 15s and forecast to arrive on Tuesday (Oct 27) at 2AM. 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 7s period and expected on Tuesday (Oct 20) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 22nd Oct) | 1.5ft (0.4m) 12s |
| Best Surf | 5PM (Mon 26th Oct) | 3ft (0.9m) 16s |
| Most Powerful | 2AM (Tue 27th Oct) | 4ft (1.2m) 15s |
Table - best surf conditions forecast for Osterizers/Rainbows over the next 16 days.
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sat afternoon, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||||
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) | N 11 | SW 16 | NNW 10 | SW 16 | SW 16 | SW 15 | NW 12 | NW 11 | NE 8 | NW 12 | NW 11 | NW 11 | NW 11 | NE 10 | NNW 15 | NNW 13 | NNW 12 | NNW 11 | NNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 61 | 41 | 34 | 40 | 39 | 34 | 23 | 32 | 223 | 69 | 82 | 76 | 73 | 60 | 44 | 229 | 306 | 275 | 161 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off |
High Tide | 00:15AM0.29m | 12:39PM0.59m | 00:53AM0.37m | 1:04PM0.60m | 1:28AM0.45m | 1:26PM0.60m | 2:02AM0.54m | 1:48PM0.59m | 2:38AM0.62m | 2:11PM0.56m | 3:15AM0.69m | 2:35PM0.53m | 3:55AM0.74m | ||||||
Low Tide | 4:54AM0.18m | 7:18PM0.17m | 5:59AM0.17m | 7:23PM0.13m | 6:48AM0.16m | 7:36PM0.08m | 7:33AM0.16m | 7:54PM0.02m | 8:16AM0.16m | 8:16PM-0.03m | 9:00AM0.18m | 8:42PM-0.07m | |||||||
 |  | | | | | | | |  |  |  | | | | | | |  | |
 | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — |
 | 5:59 | — | 5:58 | — | — | 5:58 | — | — | 5:57 | — | — | 5:55 | — | — | 5:55 | — | — | 5:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 25 | 25 | 23 |
Feels °C | 24 | 23 | 22 | 23 | 24 | 25 | 24 | 26 | 25 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 10 | NNW 10 | N 10 | N 10 | N 9 | ENE 8 | ENE 7 | NW 11 | NW 12 | NW 11 | NW 11 | NW 11 | NE 10 | SSW 14 | NNW 13 | NNW 12 | NNW 11 | NNW 11 |
| kJ | 61 | 34 | 34 | 17 | 16 | 15 | 150 | 114 | 19 | 69 | 82 | 76 | 73 | 60 | 81 | 229 | 306 | 275 | 161 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 10 | NW 10 | SW 16 | SW 16 | SW 15 | NW 12 | NW 11 | NW 13 | NE 14 | NE 13 | E 13 | NE 11 | NW 10 | NW 10 | NE 9 | SW 17 | SSW 16 | SSW 16 |
| kJ | 42 | 16 | 15 | 40 | 39 | 34 | 23 | 32 | 27 | 52 | 58 | 29 | 41 | 52 | 35 | 39 | 77 | 147 | 100 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 14 | NNW 9 | NW 9 | NW 12 | N 9 | SW 14 | SW 14 | E 13 | E 13 | SSW 12 | E 12 | SW 14 | NNW 15 | NW 10 | SSW 12 | NW 21 | NNW 19 |
| kJ | 39 | 41 | 8 | 8 | 3 | 6 | 6 | 32 | 29 | 30 | 30 | 15 | 25 | 46 | 44 | 34 | 28 | 17 | 137 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | — | — | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 7 | ENE 5 | ENE 6 |
| kJ | 287 | 287 | 310 | 287 | 213 | 240 | — | — | 223 | 133 | 162 | 236 | 68 | 42 | 81 | 70 | 96 | 88 | 77 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 34 | 4 | 4 | 8 | 8 | 8 | 8 | 4 | 4 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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 Osterizers/Rainbows 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 Osterizers/Rainbows Surf forecast
The above surf forecast table for Osterizers/Rainbows provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Osterizers/Rainbows can be found by selecting the local surf guide option on the grey menu. Our Osterizers/Rainbows 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 (Osterizers/Rainbows) 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 Osterizers/Rainbows 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.
Osterizers/Rainbows is 21 km (13 miles) from Wailuku. If you plan a vacation in Maui, look for hotels and other accommodation in Wailuku. Wailuku has rooms for a wide range of budgets as well as car hire and transport links.
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