
Surf Forecasts:
Middles/Generals surf forecast from 7 Aug 2026:
- Most powerful swell: Thursday 13 Aug, 2AM (local time) - 4ft (1.2m), 16s period, S swell with 762 kJ wave energy.
Best Forecast Surf Conditions for Middles/Generals this week:
The most powerful waves expected at Middles/Generals in the next 16 days are 1.2m 16s and forecast to arrive on Thursday (Aug 13) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 14s period and expected on Thursday (Aug 06) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Thu 13th Aug) | 4ft (1.2m) 16s |
Table - best surf conditions forecast for Middles/Generals over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for Middles/Generals.
Straight up, the outlook for the next two and a half weeks is a bit of a tough one. We’re talkin’ a solid 16-day window, but the first few days are a clean miss. The swell is tiny and the wind is cross-shore, blowing at 15 to 19 mph, creating a lumpy cross-chop. There’s really nothing to get excited about until we get deeper into the run. The water temp is sitting at 80°F which is bang on average for this time of year, so no surprises there.
The surf starts to show a pulse from Saturday the 8th of August. We see the swell pushing up to 5ft from the ENE, but that period is a short 6 to 7 seconds. The combined swell energy is moderate (314) and will build through the weekend, hitting moderate-to-strong levels (624) by Sunday afternoon. But honestly, the wind is still a strong cross-shore from the ENE at 22 mph, chopping it all up. It’s not the clean, peeling wave you want to paddle into. This setup, with that onshore cross-chop and wind, is more interesting for the kite crew than us paddle surfers.
The energy stays up through Monday the 10th and Tuesday the 11th, with 5ft to 5ft ENE swell, but those short periods and that persistent cross-wind keep the quality poor. The swell does start to switch direction around the 12th of August, with a 3ft swell from the south pushing in with a very long period of 18 seconds and combined energy of 864 (strong). That’s a proper groundswell. But the cross-shore wind is still blowing 22 mph, making it messy. That long period at a beach break often means the waves break too straight and fat, so it’s not a standout.
The real standout window actually looks to be the second week, from the 14th of August. The swell height is climbing into the 7ft to 8ft range from the ENE, with combined energy through the roof (700-879, very strong). At 8ft, that’s expert territory, too big for beginners. The short period (7-8 seconds) keeps it a bit roly-poly and the wind is still a strong cross-shore at 25-28 mph. This is a rowdy, messy, high-energy window. The crowds here are often around, so expect company if you’re keen, but it’s not going to be clean.
The best bet of the whole run? If I had to pick one, it’s the morning of the 20th of August. The swell drops to 5ft with a short period of 7 seconds, but the combined energy is a more manageable 222 (moderate). The wind is still cross-shore, but it’s a lighter 22 mph. It’s not perfect, but it’s the closest to a surfable day we get. The rest of the second week, from the 21st, you see the swell pulse again but the quality just doesn’t lock in.
So, the takeaway? There’s plenty of power in the water, but the wind is the enemy here. We’ve got a 16-day window with no true glassy, offshore days. The first few days are a write-off. The 8th to the 13th are messy. The 14th to the 17th are big, strong, and messy. The 20th is the quietest, cleanest window. Don’t expect perfection, but there’s always a chance the forecasts shift.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 25°C on Thu afternoon). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon morning, min 25°C on Sun afternoon). Mainly fresh winds. | |||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||
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) | SSW 14 | ENE 8 | SSW 14 | SSW 14 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | SSW 14 | S 20 | S 18 | S 18 | S 16 |
Wave Graph | ||||||||||||||||||||
80 | 107 | 77 | 73 | 148 | 183 | 232 | 278 | 261 | 334 | 340 | 292 | 244 | 215 | 188 | 269 | 276 | 509 | 498 | 762 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on |
High Tide | 8:39PM0.22m | 11:25AM0.67m | 10:36PM0.19m | 12:21PM0.73m | 00:00AM0.20m | 1:10PM0.77m | 1:01AM0.23m | 1:55PM0.79m | 1:52AM0.27m | 2:36PM0.79m | 2:40AM0.31m | 3:14PM0.76m | 3:27AM0.36m | |||||||
Low Tide | 6:43PM0.21m | 3:25AM0.02m | 7:38PM0.16m | 4:32AM0.00m | 8:16PM0.11m | 5:38AM-0.02m | 8:50PM0.08m | 6:37AM-0.03m | 9:21PM0.06m | 7:31AM-0.04m | 9:52PM0.05m | 8:22AM-0.02m | 10:21PM0.04m | |||||||
— | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | |
7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:02 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 |
Feels °C | 25 | 24 | 24 | 23 | 24 | 24 | 23 | 22 | 23 | 22 | 24 | 25 | 25 | 26 | 25 | 25 | 23 | 22 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 17 | SSW 12 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 18 | S 16 |
43 | 102 | 77 | 73 | 105 | 113 | 101 | 99 | 159 | 86 | 198 | 184 | 234 | 186 | 165 | 269 | 243 | 509 | 498 | 762 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSE 11 | SW 21 | SW 20 | SSW 19 | SW 18 | SW 18 | SW 18 | SSW 13 | SSW 16 | SSW 12 | SSW 12 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | S 20 | SSW 13 | SSW 13 | W 12 |
80 | 40 | 115 | 99 | 148 | 162 | 154 | 150 | 96 | 102 | 56 | 56 | 34 | 32 | 31 | 27 | 276 | 218 | 218 | 11 | |
Swell 3 Height (m) Direction Period (s) | S 11 | NNW 7 | SSE 11 | S 11 | S 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSW 18 | SSE 10 | SSE 10 | SSW 11 | SSW 11 | SSW 11 | S 21 | SSE 8 | SSE 8 | W 12 | SSE 9 |
22 | 5 | 23 | 20 | 21 | 18 | 19 | 19 | 19 | 102 | 19 | 19 | 42 | 23 | 40 | 79 | 14 | 14 | 25 | 8 | |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 8 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
53 | 107 | 49 | 59 | 146 | 183 | 232 | 278 | 261 | 334 | 340 | 292 | 244 | 215 | 188 | 163 | 147 | 123 | 125 | 182 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 21 | 16 | 16 | 48 | 48 | 49 | 55 | 48 | 48 | 49 | 48 | 48 | 48 | 16 | 48 | 19 | 21 | 48 | 55 | 48 |
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.











