Surf Forecasts:
Middles/Generals surf forecast from 13 Jul 2026:
- Most powerful swell: Monday 13 Jul, 5AM (local time) - 7ft (2.1m), 8s period, ENE swell with 469 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 2.1m 8s and forecast to arrive on Monday (Jul 13) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 16s period and expected on Monday (Jul 13) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Mon 13th Jul) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for Middles/Generals over the next 16 days.
Alright, let’s break down the picture for Middles/Generals over the next couple of weeks. To be straight with you, it’s a tough stretch for surfing. The whole 16-day window is filled with messy, wind-affected conditions, and there’s no real standout session.
The main problem is a persistent cross-shore wind from the ENE that’s blowing 20-25 mph most days, making the surface lumpy and choppy. The swell is mostly short-period windswell (7-8 seconds), which doesn’t have the power or shape for a good wave. The combined wave energy (672) on the first Monday is moderate, but with that wind, it’s all for nothing.
There is a long-period pulse (16 seconds) on Thursday, July 16th, but it’s tiny at 2 feet, and the wind is still blowing cross-onshore. More energy (1038) shows up on Sunday, July 26th, with a 15-second period, but again, it’s only 3 feet and the wind is fresh.
The first almost-rideable conditions come at the very end. On Friday, July 24th, the morning shows a 6-foot swell from the ENE with a combined energy of 707, and it’s only a “marginal” score. The wind is a moderate cross-shore at 15 mph, which is the cleanest it gets. Saturday, July 25th, is similar – 6 feet, 565 energy, moderate cross-shore wind. These are the best on offer, and they’re not great. The swell is still short-period and the wind is not offshore. For a beginner, 6 feet might be too much.
This is a long blank run. If you’re desperate, the mornings of July 24th and 25th are the least bad, but don’t expect anything clean. This setup is more interesting for a kite surfer than a paddle surfer.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Tue morning. Warm (max 25°C on Mon afternoon, min 24°C on Sun night). Winds decreasing (strong winds from the ENE on Sun night, light winds from the E by Tue night). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Warm (max 26°C on Thu afternoon, min 24°C on Wed night). Winds increasing (light winds from the ESE on Wed night, fresh winds from the ENE by Fri morning). | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sun 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | NE 8 | NE 7 | SSW 17 | ENE 7 | ENE 7 | SSW 16 | SSW 16 | SSW 17 | ENE 7 | ENE 7 | SSW 16 | ENE 6 | E 7 | E 7 | E 8 | E 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 481 | 358 | 303 | 228 | 229 | 152 | 197 | 111 | 88 | 314 | 175 | 197 | 195 | 166 | 196 | 121 | 152 | 181 | 196 | 246 | 259 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 1:53AM0.19m | 2:55PM0.82m | 2:47AM0.21m | 3:38PM0.81m | 3:40AM0.23m | 4:19PM0.78m | 4:35AM0.27m | 4:58PM0.72m | 5:33AM0.31m | 5:35PM0.64m | 6:37AM0.35m | 6:10PM0.55m | 7:46AM0.40m | 6:42PM0.45m | |||||||
Low Tide | 9:53PM0.05m | 7:31AM-0.09m | 10:32PM0.03m | 8:22AM-0.08m | 11:09PM0.02m | 9:12AM-0.05m | 11:45PM0.02m | 10:02AM0.01m | 00:20AM0.02m | 10:55AM0.08m | 00:53AM0.03m | 11:55AM0.16m | 1:26AM0.03m | 1:10PM0.23m | |||||||
 |  | | |  | |  | | | |  | |  | | | | | | | | | |
 | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — |
 | 7:15 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 |
mm | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 |
Feels °C | 20 | 20 | 22 | 21 | 23 | 23 | 22 | 25 | 24 | 24 | 23 | 26 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | W 15 | ENE 7 | ENE 7 | ENE 6 | W 14 | E 6 | SSW 14 | W 14 | SSW 16 | ENE 6 | E 7 | E 7 | E 8 | S 12 | S 12 |
| kJ | 353 | 287 | 272 | 208 | 191 | 186 | 227 | 111 | 88 | 82 | 203 | 47 | 183 | 144 | 196 | 121 | 152 | 181 | 196 | 72 | 77 |
Swell 2 Height (m) Direction Period (s) | W 12 | SSE 12 | W 18 | W 18 | W 16 | E 8 | SSW 13 | W 15 | W 15 | SSW 16 | NNE 7 | W 14 | W 14 | SSW 10 | W 14 | SSW 10 | SSW 9 | SSW 14 | S 12 | NNE 8 | S 18 |
| kJ | 26 | 27 | 97 | 152 | 190 | 57 | 111 | 221 | 215 | 314 | 31 | 200 | 148 | 31 | 98 | 82 | 65 | 158 | 112 | 22 | 58 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | W 12 | SSE 11 | SW 18 | SSW 19 | W 16 | SSW 17 | SW 13 | SW 14 | W 15 | SSW 16 | SSW 17 | SSW 18 | SSW 16 | SSW 9 | S 15 | S 13 | SSW 9 | NNE 8 | SW 7 | SSE 8 |
| kJ | 28 | 26 | 25 | 82 | 146 | 188 | 197 | 162 | 206 | 212 | 175 | 197 | 60 | 100 | 32 | 110 | 92 | 50 | 23 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | NE 8 | NE 7 | NE 8 | — | — | SE 6 | ENE 6 | NE 7 | ENE 7 | ENE 7 | ENE 6 | — | — | — | — | E 7 | ENE 7 |
| kJ | 481 | 358 | 303 | 228 | 229 | 152 | 141 | — | — | 8 | 115 | 65 | 195 | 166 | 164 | — | — | — | — | 246 | 259 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 50 | 48 | 49 | 16 | 16 | 21 | 17 | 42 | 48 | 6 | 48 | 57 | 48 | 49 | 55 | 48 | 49 | 55 | 19 | 48 | 112 |
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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