
Surf Forecasts:
Middles/Generals surf forecast from 10 Aug 2026:
- Best quality surf: Saturday 15 Aug, 8PM (local time) - 10ft (3.0m), 12s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 2AM (local time) - 25ft (7.5m), 13s period, ENE swell with 17,935 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 8PM (local time) - 10ft (3.0m), 12s period with ENE swell.
Best Forecast Surf Conditions for Middles/Generals this week:
The surf forecast for Middles/Generals over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 8PM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 0.7m and 13s. Another secondary swell of 0.3m and 18s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Middles/Generals in the next 16 days are 7.5m 13s and forecast to arrive on Monday (Aug 17) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 12s period and expected on Thursday (Aug 13) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 15th Aug) | 10ft (3.0m) 12s |
| Best Surf | 8PM (Sat 15th Aug) | 10ft (3.0m) 12s |
| Most Powerful | 2AM (Mon 17th Aug) | 25ft (7.5m) 13s |
Table - best surf conditions forecast for Middles/Generals over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s look at what’s coming up for Middles/Generals. It’s a fairly consistent spot, exposed to the east-southeast, and right now it’s a bit of a waiting game.
First up, straight off the bat, we’ve got a quiet start. Monday the 10th and Tuesday the 11th are a write-off – the wind is a fresh cross-shore breeze at 19 mph, and the swell is messy and weak. The water is sitting about average for this time of year, nothing weird going on there.
We roll through Wednesday the 12th and Thursday the 13th, and the swell bumps up a little, but the wind stays a fresh cross-shore around 19 to 22 mph, keeping things lumpy and uninviting. The energy is moderate (883 to 940) but it’s just not clean enough to get excited about.
Friday the 14th sees the swell climb to 7 ft to 7 ft from the east-northeast, with a short period of 7 to 8 seconds. That’s a lot of water moving quickly, but with a fresh cross-shore wind, it’s going to be a bumpy, closed-out mess. Not your day.
Now, Saturday the 15th gets interesting, but not in a good way for most. The swell hits 8 ft from the east-northeast, and the energy jumps to 1161 in the morning. That’s solid, but it’s too big for beginners and borderline for intermediates. The wind is still a fresh cross-shore, so it’s not clean. In the afternoon, the period stretches to 11 seconds and the energy spikes to 2026, but the wind stays cross – it’s going to be a powerful, lumpy beast.
The standout, and the only real window, is Sunday the 16th. The swell pushes 12 ft to 13 ft from the east-northeast, with a long period of 12 to 13 seconds. The energy is huge – 4562 to 5494. The wind swings to a cross-offshore breeze (NNW and WNW) at 16 to 19 mph, and the report says conditions are clean. This is a serious, expert-only groundswell. The wave size, the long period, and the clean conditions mean it will be a proper session, but only if you’ve got the experience. It’s going to be big, powerful, and fast. Crowds are often here, so expect company.
From Monday the 17th onwards, the swell drops off and the wind turns cross-onshore, so it’s back to average or poor conditions through to the end of the forecast. The rest of the run is a mixed bag of small to moderate swell with fresh cross-shore winds, nothing that’s going to make you rush for your board.
So, if you’re an expert, Sunday the 16th is the day. The rest of the 16-day window is a whole lot of “maybe next time.”
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Sun night, min 25°C on Sun night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Thu morning, min 25°C on Wed night). Mainly fresh winds. | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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) | ENE 7 | ENE 8 | ENE 7 | ENE 7 | SSW 14 | SSW 14 | S 20 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 11 | ENE 12 |
Wave Graph | |||||||||||||||||||
252 | 196 | 199 | 214 | 165 | 269 | 276 | 509 | 498 | 520 | 501 | 662 | 537 | 456 | 462 | 691 | 936 | 1815 | 3045 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off |
High Tide | 1:01AM0.23m | 1:55PM0.79m | 1:52AM0.27m | 2:36PM0.79m | 2:40AM0.31m | 3:14PM0.76m | 3:27AM0.36m | 3:49PM0.71m | 4:15AM0.41m | 4:22PM0.64m | 5:04AM0.45m | 4:53PM0.55m | |||||||
Low Tide | 8:50PM0.08m | 6:37AM-0.03m | 9:21PM0.06m | 7:31AM-0.04m | 9:52PM0.05m | 8:22AM-0.02m | 10:21PM0.04m | 9:11AM0.01m | 10:50PM0.04m | 10:01AM0.07m | 11:17PM0.04m | 10:54AM0.13m | 11:44PM0.05m | ||||||
— | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | |
7:05 | — | 7:04 | — | — | 7:02 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 26 | 25 | 24 | 25 | 25 | 24 | 23 | 24 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 25 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 |
223 | 184 | 176 | 186 | 165 | 269 | 243 | 509 | 498 | 520 | 501 | 662 | 537 | 411 | 411 | 302 | 225 | 168 | 173 | |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSE 10 | SSW 11 | SSW 11 | SE 9 | S 20 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | W 12 | W 11 | W 12 | W 12 | W 11 | W 11 | W 13 | S 18 |
56 | 56 | 35 | 23 | 41 | 20 | 276 | 218 | 218 | 222 | 150 | 11 | 10 | 11 | 11 | 21 | 21 | 29 | 56 | |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSW 11 | SSE 9 | SSE 9 | S 21 | SSE 9 | W 13 | W 12 | W 12 | W 12 | SW 19 | SW 18 | SW 18 | SSW 18 | SSW 17 | SW 17 | S 16 | W 13 |
18 | 19 | 42 | 16 | 16 | 79 | 15 | 30 | 25 | 25 | 11 | 14 | 13 | 12 | 30 | 28 | 12 | 43 | 29 | |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | ENE 6 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 11 | ENE 12 |
252 | 196 | 199 | 214 | 156 | 163 | 181 | 176 | 144 | 213 | 232 | 278 | 382 | 456 | 462 | 691 | 936 | 1815 | 3045 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 48 | 48 | 48 | 16 | 48 | 19 | 19 | 48 | 48 | 48 | 48 | 110 | 48 | 110 | 48 | 48 | 48 | 150 | 14 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Middles/Generals Surf forecast
The above surf forecast table for Middles/Generals provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Middles/Generals can be found by selecting the local surf guide option on the grey menu. Our Middles/Generals 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 (Middles/Generals) 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 Middles/Generals 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.
Middles/Generals is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.











