Surf Forecasts:
Leftovers/Rightovers surf forecast from 18 Aug 2026:
- Best quality surf: Friday 21 Aug, 5AM (local time) - 1.5ft (0.5m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 2AM (local time) - 2.5ft (0.8m), 12s period, WNW swell with 167 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 5AM (local time) - 1.5ft (0.5m), 16s period with SW 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 Friday (Aug 21) at 5AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.6m and 7s. 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 0.8m 12s and forecast to arrive on Sunday (Aug 23) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Monday (Aug 24) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 21st Aug) | 1.5ft (0.5m) 16s |
| Best Surf | 5AM (Fri 21st Aug) | 1.5ft (0.5m) 16s |
| Most Powerful | 2AM (Sun 23rd Aug) | 2.5ft (0.8m) 12s |
Table - best surf conditions forecast for Leftovers/Rightovers over the next 16 days.
The Lowdown
Alright, surf is gonna be real quiet for a good stretch here. We’re looking at a 16-day window, and honestly, the first week and a bit is gonna be a whole lot of nothing for Leftovers/Rightovers. The energy just isn't there, and it's looking pretty flat.
The good news? There is a pulse of proper swell showing up way down the line, on the 29th of August. That's the one to keep an eye on. It’s a long way out, so treat it as promising but not locked in. Before that, we've got a long stretch of small, weak surf. There are a few days around the 20th and 21st where it’ll be ankle to knee high, and the morning of the 21st might have a tiny bit of shape with 3ft on offer, but the period is short and it’s just not going to be worth paddling out for.
The wind is mostly cross-offshore for the whole period, which is nice and clean, but it doesn't matter much when there's no swell to push it. The water temp is bang on average for this time of year at 80.4°, so you won't need a thick suit, just patience. The swell energy is weak, reading in the low double digits for the most part, which tells you all you need to know about how much push there will be.
Then we get to the 29th of August. Overnight, it looks like something switches on. The swell jumps to 6ft in the morning, coming from the southwest with a 12-second period. The energy reading is a strong 1022, which is a massive jump from what we've been seeing. This is the standout. The morning looks better than the afternoon, with the swell holding around 5.5ft but the energy dropping. It’s still going to be a bit raw, but this is the only real surfable window in the whole outlook. At 6ft, it should be fine for intermediate surfers, but the swell direction is from the SW, which isn't the optimum NW direction for this spot, so expect it to be a bit lumpy.
After that little pulse, it fades back down again. The 30th has some waist-high leftovers, but it drops off quickly, and the following week is back to the tiny stuff. So, mark the 29th on your calendar. A week and a half of flatness is a long time, but this one little pulse is worth a shot if it shows up.
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | WNW 11 | W 12 | SW 6 | WNW 13 | WNW 13 | WNW 12 | SW 16 | WNW 11 | NE 7 | NE 6 | NE 7 | NNE 7 | NE 7 | W 10 | SW 16 | W 10 | NW 15 | WNW 12 | WNW 11 | NW 11 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 11 | 6 | 17 | 34 | 28 | 41 | 25 | 44 | 39 | 46 | 38 | 79 | 18 | 124 | 17 | 57 | 167 | 107 | 121 | 87 |
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 | 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 | 5:45PM0.30m | 7:53AM0.41m | 6:07PM0.25m | 9:05AM0.42m | 10:17AM0.44m | 8:42PM0.16m | 11:18AM0.46m | 10:56PM0.16m | 12:07PM0.48m | 11:59PM0.17m | 12:48PM0.50m | 00:42AM0.19m | |||||||||
Low Tide | 11:48AM0.20m | 11:19PM0.05m | 1:39PM0.22m | 11:54PM0.07m | 00:40AM0.08m | 6:18PM0.16m | 1:46AM0.09m | 6:29PM0.13m | 3:00AM0.08m | 6:49PM0.12m | 4:03AM0.07m | 7:09PM0.10m | 4:53AM0.05m | ||||||||
 | |  |  | | | | |  | | | | | | | | | | | | | |
 | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 25 |
Feels °C | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 29 | 29 | 30 | 30 | 30 | 29 | 28 | 28 | 27 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 6 | S 14 | E 9 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | SSW 16 | E 8 | E 8 | E 7 | E 7 | NE 7 | SW 16 | SW 16 | SSW 16 | SSW 16 | WNW 12 | WNW 11 | NW 11 | NW 10 |
| kJ | 5 | 16 | 15 | 17 | 34 | 28 | 28 | 25 | 82 | 76 | 70 | 70 | 79 | 64 | 124 | 98 | 95 | 167 | 107 | 121 | 87 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WSW 6 | SW 6 | SSW 17 | SSW 18 | NNE 7 | SW 16 | WNW 11 | NE 7 | NE 6 | NE 7 | NNE 7 | ESE 8 | ESE 8 | W 10 | W 10 | NW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
| kJ | 24 | 4 | 6 | 28 | 30 | 9 | 41 | 25 | 44 | 39 | 46 | 38 | 22 | 14 | 17 | 17 | 57 | 60 | 57 | 54 | 51 |
Swell 3 Height (m) Direction Period (s) | S 14 | W 12 | S 14 | WSW 6 | WSW 6 | SSW 18 | S 12 | SSW 19 | SW 16 | SW 18 | SW 17 | SSW 16 | SSW 16 | W 10 | WSW 10 | WSW 10 | WNW 10 | WSW 9 | WSW 9 | WSW 9 | S 15 |
| kJ | 16 | 11 | 15 | 4 | 4 | 30 | 3 | 35 | 67 | 79 | 76 | 104 | 107 | 18 | 10 | 10 | 36 | 8 | 8 | 8 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | — | — | — | — | — | ENE 7 | ENE 7 | E 6 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 405 | 284 | 215 | 200 | 157 | 166 | 141 | 176 | — | — | — | — | — | 96 | 118 | 144 | 213 | 336 | 310 | 262 | 265 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 22 | 22 | 20 | 20 | 20 | 2 | 2 | 20 | 2 | 2 | 2 | 0 | 2 | 0 | 20 | 1 | 1 | 20 | 165 | 20 |
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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