Surf Forecasts:
Middles/Generals surf forecast from 14 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 2AM (local time) - 16ft (5.0m), 10s period, E swell with 4,737 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 5.0m 10s and forecast to arrive on Sunday (Aug 16) 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 0.7m 16s period and expected on Friday (Aug 21) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 16th Aug) | 16ft (5.0m) 10s |
Table - best surf conditions forecast for Middles/Generals over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s on the cards for the next stretch.
Honestly, I’m looking at a pretty grim 16-day window for Middles/Generals. The first solid recommendation doesn’t even pop up until a good way into the period, and even then it’s a struggle. We’ve got a massive gap of poor to marginal conditions right from the start, with nothing worth paddling out for.
The whole run kicks off on Friday the 14th with a messy 7ft swell from the ENE, but a fresh to strong cross-shore wind has it chopped to pieces. That 7ft is just raw, ugly energy. The wind stays on it all weekend, with a near gale Saturday pushing an 12ft swell into the mix – that’s a washing machine, not surf. The combined energy is through the roof (1781 to 2504), but it’s all for nothing. The wave state is just “crossing waves” and “messy.” Not a single decent wave in that lot.
We drag through the whole of the following week with the same story: ENE winds, cross or cross-onshore, and swell heights bouncing between 2ft and 6ft, but the period is short and the wind never lets up. The water temp isn’t mentioned in the data for this spot, but on a day like that, it doesn’t matter – you’re not staying in long.
The one glimmer, the only one worth a look, lands on Friday the 28th afternoon. The swell drops to a clean 7ft from the ENE, period bumps up to 10 seconds, and the wind eases to a fresh cross-shore. The combined energy (1075) is still moderate-strong, but the wave comment finally shifts to “marginal surf forecast or questionable tide conditions,” which is the best we’ve seen. Look, for this spot, with the direction matching the optimum ESE, that’s the standout. It’s still not perfect, but it’s the only window where you might get a few proper ones. Crowds are likely here, so you won’t be alone.
Before that, the 28th morning is still a write-off. And after that, the 29th morning is back to 5ft with fresh cross-shore wind and poor conditions. The whole run is a near-total bust. For a spot that’s fairly consistent, this is a tough stretch. It’ll turn around, but right now, I’d leave the board in the van.
Rusty.
Short Range ForecastHeavy rain (total 44mm), heaviest during Sun morning. Warm (max 26°C on Fri morning, min 25°C on Fri morning). Winds decreasing (gales from the ENE on Sat night, light winds from the E by Sun night). | Days 4-6 Weather SummarySome drizzle, heaviest during Mon morning. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | S 14 | ENE 7 | S 13 | S 13 | ENE 8 | E 8 | E 8 | E 8 | E 7 | SSW 17 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 494 | 604 | 1081 | 1556 | 2069 | 4737 | 1981 | 819 | 511 | 334 | 260 | 193 | 165 | 162 | 163 | 111 | 84 | 82 | 112 | 200 | 113 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on |
High Tide | 4:22PM0.64m | 5:04AM0.45m | 4:53PM0.55m | 5:55AM0.48m | 5:21PM0.47m | 6:52AM0.50m | 5:48PM0.38m | 7:56AM0.52m | 6:10PM0.31m | 9:08AM0.53m | 10:20AM0.55m | 8:45PM0.20m | |||||||||
Low Tide | 10:01AM0.07m | 11:17PM0.04m | 10:54AM0.13m | 11:44PM0.05m | 11:53AM0.20m | 00:11AM0.05m | 1:08PM0.25m | 00:39AM0.07m | 2:59PM0.27m | 1:14AM0.09m | 2:00AM0.10m | 7:38PM0.20m | 3:06AM0.11m | ||||||||
 | |  | |  |  |  | | | | |  | | | | | | | | | | |
 | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:57 | — |
mm | — | — | — | — | — | 7 | 21 | 7 | 9 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 23 | 23 | 22 | 21 | 21 | 20 | 25 | 27 | 28 | 26 | 25 | 23 | 23 | 23 | 24 | 24 | 26 | 24 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | SSE 8 | ENE 9 | S 7 | S 14 | S 14 | S 13 | S 13 | S 13 | ENE 8 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 |
| kJ | 411 | 411 | 306 | 222 | 168 | 184 | 164 | 819 | 89 | 334 | 260 | 170 | 165 | 162 | 163 | 111 | 84 | 82 | 112 | 90 | 113 |
Swell 2 Height (m) Direction Period (s) | W 12 | E 11 | W 11 | W 11 | W 13 | S 18 | S 16 | SSE 8 | S 14 | S 6 | S 6 | SSW 5 | SW 17 | SW 18 | S 13 | NNE 7 | NE 7 | NNE 7 | SW 18 | SSW 17 | SW 16 |
| kJ | 11 | 64 | 9 | 9 | 30 | 56 | 188 | 151 | 250 | 34 | 22 | 5 | 74 | 79 | 116 | 35 | 47 | 31 | 249 | 200 | 274 |
Swell 3 Height (m) Direction Period (s) | SW 18 | W 12 | SW 17 | NNW 8 | S 19 | W 13 | SSW 12 | S 13 | S 16 | SW 18 | SSW 19 | W 11 | E 9 | SW 7 | SW 18 | SW 16 | S 12 | SW 16 | NNE 7 | NNE 7 | NE 7 |
| kJ | 12 | 11 | 12 | 6 | 65 | 30 | 49 | 163 | 81 | 50 | 37 | 10 | 26 | 11 | 79 | 129 | 45 | 129 | 30 | 29 | 23 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 | ENE 9 | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | — | — | — | — | — |
| kJ | 494 | 604 | 1081 | 1556 | 2069 | 4737 | 1981 | — | 511 | 318 | 259 | 193 | 139 | 147 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 55 | 63 | 114 | 141 | 217 | 141 | 112 | 42 | 14 | 48 | 48 | 48 | 48 | 48 | 16 | 16 | 16 | 16 | 48 | 16 | 16 |
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.
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