Surf Forecasts:
Middles/Generals surf forecast from 31 Jul 2026:
- Most powerful swell: Saturday 1 Aug, 8AM (local time) - 10ft (3.0m), 8s period, E swell with 1,220 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 3.0m 8s and forecast to arrive on Saturday (Aug 01) at 8AM. 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 15s period and expected on Friday (Jul 31) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sat 1st Aug) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Middles/Generals over the next 16 days.
The Lowdown
Right, grab a coffee, this one’s a tough read. The whole 16-day window for Middles/Generals is a bit of a grind, to be honest. There’s a lot of energy in the water, but the wind is just relentless from the east-northeast, and it’s blowing cross-shore or cross-onshore almost the entire time, which is going to chop everything up. We’re looking at a solid run of poor surf conditions right through.
The first real chance of something rideable doesn’t even show up until Tuesday, August 4th, and even then it’s a marginal call. That morning you’ve got a 5ft swell from the east-northeast, but it’s got a long 12-second period on it, which is that groundswell quality. The combined wave energy is moderate at 706, and with a 12 mph cross-breeze, it’ll be lumpy. It’s the only day in the whole run that gets scored as “marginal” rather than “poor”, but honestly, don’t get your hopes up too high.
After that, it’s back into the grinder. The wind just keeps pumping, 19 to 28 mph from the ENE, turning the surf into a messy cross-chop. The swell gets big, with a 10ft one on Saturday, August 1st, but that’s a short-period 8-second windswell, and with that wind, it’s going to be a washing machine. The combined energy on that day is a massive 1578, which is strong, but it’s all for nothing with the conditions. That’s kite-surfing territory, not paddle surfing.
The water temp is sitting at 80°F, which is about average for the time of year—nothing unusual there.
The only other flicker of hope is way out on Monday, August 10th. Another marginal morning, with a 3ft swell from the SSW, but a very long 16-second period. The combined energy is strong at 1158, but again, the cross-shore wind is going to mess it up. It’s a classic case of a spot that’s exposed to the ESE, and the swell is coming from the SSW, so it’s not wrapping in perfectly.
There’s no standout session here. The entire forecast is a battle with the wind. If you’re desperate, the Tuesday morning, August 4th, is your best bet, but it’s a long way from a classic. The rest of the 16 days is a write-off. Forecasts can change, but right now, it’s a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Thu night). Winds increasing (moderate winds from the ENE on Thu afternoon, strong winds from the ENE by Fri night). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Tue afternoon, min 25°C on Sun afternoon). Winds decreasing (strong winds from the ENE on Sun afternoon, light winds from the ENE by Tue night). | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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 18 | ENE 7 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 12 | ENE 12 | ENE 11 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 207 | 220 | 329 | 469 | 1015 | 1142 | 939 | 1098 | 844 | 782 | 554 | 394 | 339 | 824 | 648 | 505 | 373 | 266 | 92 | 147 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross |
High Tide | 3:57PM0.68m | 4:08AM0.30m | 4:25PM0.65m | 4:55AM0.33m | 4:53PM0.60m | 5:48AM0.38m | 5:22PM0.53m | 6:48AM0.43m | 5:53PM0.45m | 7:57AM0.48m | 6:26PM0.37m | 9:10AM0.55m | 7:10PM0.29m | |||||||
Low Tide | 11:13PM0.07m | 9:38AM0.05m | 11:37PM0.06m | 10:23AM0.11m | 00:02AM0.05m | 11:17AM0.16m | 00:29AM0.04m | 12:27PM0.23m | 00:59AM0.04m | 2:07PM0.27m | 1:37AM0.03m | 4:33PM0.27m | 2:24AM0.02m | |||||||
 |  |  | |  | | | | | | | | | |  | |  | | | | |
 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 7:09 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 |
Feels °C | 28 | 26 | 23 | 21 | 21 | 20 | 20 | 21 | 21 | 20 | 21 | 23 | 22 | 22 | 26 | 25 | 25 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | S 13 | S 12 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | ENE 12 | ENE 12 | ENE 11 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
| kJ | 181 | 166 | 153 | 301 | 267 | 267 | 257 | 194 | 188 | 142 | 125 | 119 | 163 | 824 | 648 | 505 | 373 | 266 | 92 | 147 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 16 | E 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 15 | SW 14 |
| kJ | 171 | 177 | 159 | 239 | 220 | 127 | 123 | 131 | 133 | 67 | 57 | 32 | 32 | 48 | 46 | 45 | 41 | 40 | 88 | 53 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | E 16 | SW 16 | S 12 | SSW 12 | S 12 | S 11 | S 11 | N 9 | N 9 | SW 13 | SW 13 | SW 12 | SSE 9 | SSE 8 | SSE 14 | SW 15 | SW 16 | SSW 11 | S 12 |
| kJ | 207 | 127 | 206 | 106 | 47 | 42 | 39 | 22 | 16 | 13 | 42 | 42 | 38 | 16 | 12 | 63 | 57 | 61 | 39 | 45 |
Wind waves Height (m) Direction Period (s) | — | ENE 7 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | SE 6 | E 5 | ENE 6 |
| kJ | — | 220 | 329 | 469 | 1015 | 1142 | 939 | 1098 | 844 | 782 | 554 | 394 | 339 | 370 | — | — | — | 33 | 58 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 55 | 16 | 55 | 61 | 111 | 114 | 110 | 113 | 61 | 57 | 50 | 55 | 50 | 16 | 24 | 16 | 16 | 18 | 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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