Surf Forecasts:
Leftovers/Rightovers surf forecast from 15 Aug 2026:
- Best quality surf: Friday 21 Aug, 8AM (local time) - 1.5ft (0.5m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 8AM (local time) - 1.5ft (0.5m), 17s period, SW swell with 135 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 11PM (local time) - 2.5ft (0.8m), 7s period with NNE swell.
Best Forecast Surf Conditions for Leftovers/Rightovers this week:
The surf forecast for Leftovers/Rightovers over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 11PM. The primary swell is predicted to be 0.8m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Leftovers/Rightovers in the next 16 days are 0.5m 17s and forecast to arrive on Friday (Aug 21) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 10s period and expected on Sunday (Aug 16) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 20th Aug) | 2.5ft (0.8m) 7s |
| Best Surf | 8AM (Fri 21st Aug) | 1.5ft (0.5m) 17s |
| Most Powerful | 8AM (Fri 21st Aug) | 1.5ft (0.5m) 17s |
Table - best surf conditions forecast for Leftovers/Rightovers over the next 16 days.
The Lowdown
Alright, let’s look at it in feet and miles per hour, ‘cause I know some of you want it that way.
We’re looking at a long, dry spell for Leftovers/Rightovers. From mid-August right through the 24th, there’s barely a wave to bother with. The first week and a half is almost all flat, with tiny bumps that just aren’t worth the paddle. The 19th and 20th show a little spike to around 3–3 ft, but the period is short and the energy is weak. Don’t get your hopes up. The wind stays cross-off most of the time, so the surface is clean, but there’s nothing underneath.
The first real session comes on Friday, August 21st in the morning: a small 3 ft pulse from the north-northeast, period a quick 6 seconds, with a light breeze around 6 mph. It’s surfable but nothing to write home about.
Then it’s flat again until the 22nd through the 26th — tiny 0.6 ft–1 ft junk. A few sunny mornings but no waves.
The best of the whole window falls on August 27th into the 28th. Thursday the 27th afternoon gives us 1 ft from the west, with a long 12-second period and barely any wind — about 3 mph. Friday the 28th is similar, with 2 ft west swell, 12-second period, light breeze at 6 mph, and clean, glassy conditions. The energy is still low, but it’s the cleanest, most lined-up surf of the entire forecast. For a reef break like this, that long-period west swell will wrap in nicely, but at this size, it’s more of a longboard or funboard wave. It’s not big, but it’s your best bet.
So the story is: a lot of flat, a few mediocre windows, but one really clean, small day right at the end of August. Aim for the 28th.
Rusty.
Short Range ForecastHeavy rain (total 32mm), heaviest during Sun morning. Warm (max 27°C on Fri afternoon, min 25°C on Fri night). Winds decreasing (near gales from the ENE on Sat night, light winds from the ESE by Sun night). | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||
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) | W 12 | NNW 8 | W 11 | W 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 11 | W 11 | WNW 13 | WNW 13 | WNW 12 | NE 7 | WNW 11 | W 11 | NE 7 | W 11 | NNE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 11 | 12 | 22 | 30 | 33 | 29 | 28 | 25 | 25 | 9 | 10 | 17 | 34 | 28 | 55 | 25 | 9 | 63 | 9 | 76 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:19PM0.51m | 5:01AM0.36m | 4:50PM0.44m | 5:52AM0.38m | 5:18PM0.37m | 6:49AM0.40m | 5:45PM0.30m | 7:53AM0.41m | 6:07PM0.25m | 9:05AM0.42m | 10:17AM0.44m | 8:42PM0.16m | ||||||||
Low Tide | 9:57PM0.03m | 9:34AM0.11m | 10:24PM0.04m | 10:33AM0.16m | 10:51PM0.04m | 11:48AM0.20m | 11:19PM0.05m | 1:39PM0.22m | 11:54PM0.07m | 00:40AM0.08m | 6:18PM0.16m | 1:46AM0.09m | ||||||||
 |  |  | |  | | | | | | |  | | | | | | | | | |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:59 | — |
mm | — | — | 1 | 2 | 6 | 15 | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 27 | 25 | 26 | 26 | 25 | 25 | 27 | 25 | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 25 | 24 | 24 | 24 | 22 | 22 | 27 | 26 | 26 | 27 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | S 14 | S 14 | WNW 13 | WNW 13 | NE 7 | NE 7 | WNW 11 | SW 16 | NE 7 | SW 17 | NNE 7 |
| kJ | 40 | 12 | 12 | 12 | 33 | 29 | 28 | 25 | 25 | 16 | 15 | 17 | 34 | 9 | 55 | 25 | 67 | 63 | 76 | 76 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | S 14 | W 11 | W 13 | NNW 9 | S 13 | S 13 | SW 6 | SW 5 | W 11 | W 11 | SSW 17 | SSW 18 | WNW 12 | WNW 12 | SSW 16 | W 11 | SW 18 | W 11 | SSW 16 |
| kJ | 6 | 34 | 22 | 30 | 15 | 13 | 13 | 5 | 5 | 9 | 10 | 28 | 30 | 28 | 28 | 25 | 9 | 79 | 9 | 104 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | S 13 | S 13 | SSW 16 | NNW 8 | NNW 8 | S 13 | S 14 | SW 5 | E 9 | ENE 8 | NE 8 | NNE 8 | SW 16 | SSW 19 | S 12 | W 11 | SW 12 | SW 9 |
| kJ | 11 | 9 | 31 | 14 | 24 | 7 | 6 | 13 | 16 | 4 | 6 | 7 | 10 | 6 | 41 | 35 | 3 | 9 | 6 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 9 | E 12 | E 10 | E 10 | E 10 | E 9 | E 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 6 | E 8 | ENE 7 | ENE 7 | E 8 | ENE 7 | E 8 |
| kJ | 560 | 1017 | 2441 | 2184 | 3529 | 2476 | 1095 | 603 | 375 | 284 | 203 | 139 | 130 | 97 | 135 | 140 | 192 | 92 | 155 | 168 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 166 | 166 | 166 | 166 | 166 | 165 | 5 | 7 | 22 | 22 | 24 | 20 | 20 | 20 | 1 | 20 | 2 | 2 | 20 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Leftovers/Rightovers Surf forecast
The above surf forecast table for Leftovers/Rightovers provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Leftovers/Rightovers can be found by selecting the local surf guide option on the grey menu. Our Leftovers/Rightovers 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 (Leftovers/Rightovers) 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 Leftovers/Rightovers 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.
Leftovers/Rightovers is 16 km (10 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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