Surf Forecasts:
Sewers (Maili) surf forecast from 25 Sep 2026:
- Best quality surf: Tuesday 29 Sep, 11PM (local time) - 5ft (1.6m), 12s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 30 Sep, 2PM (local time) - 6ft (1.9m), 12s period, SW swell with 929 kJ wave energy.
- Next surfable swell (1★+): Monday 28 Sep, 5AM (local time) - 2.5ft (0.8m), 16s period with NNW swell.
Best Forecast Surf Conditions for Sewers (Maili) this week:
The surf forecast for Sewers (Maili) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 28) at 5AM. The primary swell is predicted to be 0.8m and 16s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Sewers (Maili) in the next 16 days are 1.9m 12s and forecast to arrive on Wednesday (Sep 30) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 9s period and expected on Sunday (Sep 27) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 28th Sep) | 2.5ft (0.8m) 16s |
| Best Surf | 11PM (Tue 29th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 2PM (Wed 30th Sep) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for Sewers (Maili) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 24°C on Sat night). Mainly strong winds. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Wed night. Warm (max 28°C on Mon afternoon, min 25°C on Tue night). Winds increasing (light winds from the ESE on Tue night, fresh winds from the SE by Wed afternoon). | ||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||||
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) | N 9 | NNW 9 | SW 12 | ENE 8 | NW 16 | WNW 15 | NW 13 | NNW 18 | NNW 16 | NNW 14 | NNW 13 | NNW 13 | NE 8 | SW 16 | SW 12 | SW 11 | SW 12 | SSW 11 | WSW 10 | WSW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 25 | 71 | 0 | 125 | 142 | 85 | 178 | 291 | 229 | 158 | 142 | 122 | 371 | 644 | 728 | 792 | 0 | 320 | 443 | 181 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 1:55PM0.62m | 2:32AM0.59m | 2:14PM0.58m | 3:11AM0.64m | 2:31PM0.53m | 3:54AM0.67m | 2:46PM0.48m | 4:42AM0.69m | 2:52PM0.44m | 5:40AM0.68m | 2:22PM0.41m | 6:55AM0.67m | |||||||||
Low Tide | 8:17PM0.15m | 8:24AM0.23m | 8:34PM0.11m | 9:11AM0.27m | 8:55PM0.08m | 10:02AM0.32m | 9:18PM0.06m | 11:04AM0.37m | 9:45PM0.05m | 12:53PM0.41m | 10:16PM0.06m | 10:55PM0.09m | |||||||||
 | |  | |  |  |  | | | | | | | |  |  | |  | |  | | |
 | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 8 | 5 | 2 | 5 |
Temp °C | 27 | 27 | 26 | 26 | 27 | 25 | 27 | 27 | 26 | 27 | 28 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 24 | 25 | 25 | 22 | 23 | 21 | 22 | 22 | 25 | 26 | 27 | 26 | 27 | 28 | 28 | 26 | 25 | 24 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSE 11 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | SW 12 | SW 11 | SW 12 | SSW 11 | WSW 10 | WSW 10 | WSW 9 |
| kJ | 441 | 310 | 362 | 344 | 407 | 387 | 358 | 325 | 214 | 456 | 520 | 661 | 648 | 602 | 644 | 728 | 792 | 1144 | 320 | 443 | 181 |
Swell 2 Height (m) Direction Period (s) | N 9 | SSE 10 | SSE 11 | SW 14 | SE 10 | WNW 15 | SE 10 | NNW 18 | SSW 14 | NNW 14 | NNW 13 | SSW 17 | NE 8 | NE 8 | SSW 15 | SSW 15 | S 7 | ENE 7 | ENE 8 | ENE 8 | SSW 14 |
| kJ | 41 | 41 | 75 | 211 | 53 | 142 | 52 | 178 | 257 | 229 | 158 | 377 | 122 | 84 | 291 | 191 | 127 | 46 | 52 | 39 | 120 |
Swell 3 Height (m) Direction Period (s) | S 11 | NNW 9 | SW 12 | SSE 10 | NW 16 | SE 10 | NW 13 | NW 13 | NNW 16 | SSW 14 | SSW 17 | NNW 13 | SW 16 | SW 16 | NE 7 | ENE 7 | ENE 7 | SSW 14 | SW 14 | SSW 14 | ENE 7 |
| kJ | 21 | 25 | 71 | 71 | 125 | 27 | 85 | 84 | 291 | 136 | 264 | 142 | 264 | 371 | 47 | 46 | 47 | 178 | 47 | 70 | 31 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | SSE 6 | SSE 7 | SSE 7 | S 8 | S 8 | S 7 |
| kJ | 165 | 137 | 383 | 412 | 487 | 730 | 808 | 304 | 313 | 291 | 219 | 171 | — | — | — | 97 | 198 | 428 | 569 | 588 | 315 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 162 | 162 | 167 | 162 | 295 | 196 | 195 | 186 | 3 | 10 | 3 | 8 | 0 | 0 | 0 | 20 | 21 | 23 | 30 | 33 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
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 Sewers (Maili) 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 Sewers (Maili) Surf forecast
The above surf forecast table for Sewers (Maili) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sewers (Maili) can be found by selecting the local surf guide option on the grey menu. Our Sewers (Maili) 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 (Sewers (Maili)) 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 Sewers (Maili) 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.
Sewers (Maili) is 13 km (8 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.
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