
Surf Forecasts:
Rockpiles surf forecast from 26 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 5AM (local time) - 8ft (2.5m), 11s period, ENE swell with offshore winds.
- Most powerful swell: Tuesday 28 Jul, 8PM (local time) - 10ft (3.0m), 13s period, ENE swell with 2,578 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 5AM (local time) - 8ft (2.5m), 11s period with ENE swell.
Best Forecast Surf Conditions for Rockpiles this week:
The surf forecast for Rockpiles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 5AM. The primary swell is predicted to be 2.5m and 11s period with a secondary swell of 0.7m and 14s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rockpiles in the next 16 days are 3.0m 13s and forecast to arrive on Tuesday (Jul 28) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Wednesday (Jul 29) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 29th Jul) | 8ft (2.5m) 11s |
| Best Surf | 5AM (Wed 29th Jul) | 8ft (2.5m) 11s |
| Most Powerful | 8PM (Tue 28th Jul) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Rockpiles over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s break it down.
First thing’s first, the start of this run is a bit of a dud for Rockpiles. Sunday the 26th, we’ve got a nice long-period groundswell from the SSW, 16-second intervals and a good bit of energy (1220), but the size is only 3ft in the morning and a fresh cross-off breeze from the ENE is killing the shape. Water temp is a pretty normal 80°, so nothing weird there. It’s just not coming together. The afternoon is worse, and Monday the 27th is even more frustrating with a touch more size but the same messy wind.
Now Tuesday the 28th, things start to get some real push. Swell builds to 7ft by the morning and 8ft in the afternoon, both from the east with a 13-second period. That’s a lot of power (1820 and 2553). But the wind is still a fresh cross-off from the NE, so the surface is bumpy and it’s going to be pretty full-on. That’s big, powerful, and only for the experienced crew.
Then Wednesday the 29th morning. This is where it gets interesting. We’ve got 8ft of east-northeast swell, but the period has dropped to 10 seconds, and the wind goes totally glassy. The energy is still strong at 1597. The size is serious, the conditions will be clean, but that shorter period means it won’t have the same heavy grind as a deep-water groundswell. Rockpiles is an exposed reef, so it can handle it, but this is a session for proper surfers only. The afternoon drops right off – only 2ft from the south with a long period, and the score drops. The morning is the only window.
Thursday the 30th gives you a little something. The morning is a bit messy with a light cross-shore and short period, but the afternoon cleans up. A nice 3ft from the south with a 13-second period and a light cross-off breeze scores well. That’s a fun, easy paddle and clean little waves.
From Friday the 31st on, things get heavy, but ugly. The swell holds size through the first week of August, with waves running 6ft to 10ft, and hitting a solid 10ft on Saturday the 1st. But it’s all short-period ENE wind swell (8-9 seconds), and the wind is a strong cross-off. The energy numbers are all over 1000, so there’s plenty of power, but the quality scores are either 0 or 1 out of 10. This is churned-up, bumpy stuff. Honestly, with that much size and strong wind, this looks way more fun for kite surfing than paddle surfing.
After the 6th of August, the swell fades to nothing. By Thursday the 6th, we’ve got a tiny 1ft groundswell from the SSW with a 16-second period, but the wind is a strong 35 km/h cross-off, and the scores are zeros. That pattern of small, windy, and messy runs through to the end of the outlook on the 10th of August. There’s nothing worth chasing in that second week.
So, to sum it up: the standout is the morning of Wednesday, 29th July. If you’re an experienced surfer and can get on that glassy 8ft session, that’s your pick. For a cleaner, smaller wave, the afternoon of Thursday, 30th July is your best bet. The rest is either too windy, too big and messy, or just flat out poor.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun afternoon, light winds from the N by Tue night). | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed morning, min 25°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the ENE by Fri night). | ||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||
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) | SSW 16 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | ENE 12 | ENE 10 | S 14 | ENE 9 | ENE 8 | ENE 8 | ENE 7 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph | |||||||||||||||||||||
469 | 499 | 697 | 631 | 792 | 1543 | 1667 | 2364 | 1928 | 1385 | 195 | 243 | 314 | 222 | 327 | 459 | 528 | 1102 | 1156 | 1051 | 1152 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:56PM0.68m | 2:32AM0.21m | 3:29PM0.70m | 3:10AM0.23m | 3:59PM0.70m | 3:49AM0.25m | 4:29PM0.70m | 4:28AM0.28m | 4:58PM0.68m | 5:11AM0.31m | 5:26PM0.64m | 5:57AM0.34m | 5:55PM0.59m | ||||||||
Low Tide | 10:27PM0.11m | 7:51AM0.01m | 10:49PM0.10m | 8:31AM0.01m | 11:11PM0.09m | 9:09AM0.01m | 11:34PM0.08m | 9:48AM0.03m | 11:58PM0.07m | 10:29AM0.06m | 00:22AM0.06m | 11:14AM0.11m | 00:48AM0.05m | ||||||||
6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | |
— | 7:13 | — | — | 7:12 | — | — | 7:12 | — | — | 7:10 | — | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 27 | 25 | 27 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 25 |
Feels °C | 22 | 21 | 22 | 22 | 24 | 24 | 27 | 26 | 25 | 31 | 31 | 30 | 29 | 29 | 26 | 25 | 22 | 22 | 21 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | ENE 12 | ENE 10 | NE 10 | ENE 9 | ENE 8 | ENE 8 | S 13 | S 12 | E 15 | SW 15 | SSW 14 | E 14 | E 14 |
469 | 499 | 697 | 631 | 792 | 1543 | 1667 | 2364 | 1928 | 1385 | 782 | 243 | 314 | 215 | 166 | 153 | 213 | 176 | 127 | 264 | 264 | |
Swell 2 Height (m) Direction Period (s) | E 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | SSW 14 | S 14 | S 14 | N 7 | S 14 | S 13 | SSW 16 | E 15 | SW 15 | SSW 12 | S 12 | SSW 14 | SSW 14 |
348 | 341 | 333 | 292 | 222 | 213 | 143 | 179 | 195 | 195 | 195 | 68 | 181 | 222 | 177 | 161 | 239 | 47 | 42 | 123 | 133 | |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | SE 11 | SE 11 | S 11 | NNE 10 | SSE 10 | SSE 10 | NE 9 | SW 21 | SSW 20 | S 14 | SW 18 | SSW 18 | E 16 | SW 16 | S 12 | N 8 | S 15 | S 11 | S 11 |
21 | 20 | 5 | 4 | 9 | 36 | 10 | 10 | 37 | 17 | 37 | 184 | 154 | 207 | 130 | 206 | 106 | 5 | 5 | 22 | 23 | |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NNE 7 | NNE 9 | NNE 9 | — | — | — | — | — | — | ENE 7 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
382 | 397 | 334 | 282 | 248 | 111 | 216 | 151 | — | — | — | — | — | — | 327 | 459 | 528 | 1102 | 1156 | 1051 | 1152 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 44 | 30 | 30 | 30 | 1 | 1 | 33 | 1 | 0 | 0 | 1 | 1 | 0 | 30 | 38 | 41 | 41 | 148 | 129 | 41 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Rockpiles Surf forecast
The above surf forecast table for Rockpiles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rockpiles can be found by selecting the local surf guide option on the grey menu. Our Rockpiles 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 (Rockpiles) 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 Rockpiles 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.
Rockpiles is 4 km (2 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.










