Surf Forecasts:
Rockpiles surf forecast from 29 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 5AM (local time) - 6.5ft (2.0m), 11s period, ENE swell with offshore winds.
- Most powerful swell: Tuesday 28 Jul, 11PM (local time) - 7.5ft (2.3m), 12s period, ENE swell with 1,390 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 5AM (local time) - 6.5ft (2.0m), 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 2.0m and 11s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rockpiles in the next 16 days are 2.3m 12s and forecast to arrive on Tuesday (Jul 28) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 9s period and expected on Wednesday (Jul 29) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 29th Jul) | 6.5ft (2.0m) 11s |
| Best Surf | 5AM (Wed 29th Jul) | 6.5ft (2.0m) 11s |
| Most Powerful | 11PM (Tue 28th Jul) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for Rockpiles over the next 16 days.
The Lowdown
Hey crew, Rusty here. Let’s break down the next 16 days for this spot. It’s got some promise, but you gotta pick your moment.
The first real surfable swell shows up on Tuesday, July 28th in the afternoon, so we’ve got a clear start. That first wave is a beast, though: a 8ft East swell with a 13-second period. The wind is a stiff 25 km/h cross-off from the NNE, keeping the surface clean, but the combined energy is a massive 2088. That is a lot of water moving. This is strictly for the experts on the reef. Water temp is 27°, which is normal for this time of year.
The true standout, the one you should be thinking about, is Wednesday, July 29th in the morning. The swell backs off to a much friendlier 6ft from the ENE, with a 10-second period. The wind drops to a light 10 km/h from the NE, giving us clean lines. Wave energy is a solid 909 (moderate). This is your session. It’s well-shaped and manageable. The glassy conditions that afternoon look sweet, but the swell is tiny at 2ft, so not worth the paddle.
From Thursday, July 30th morning onward, the trade winds kick in hard. We’re looking at 30 to 45 km/h ENE winds for days. The swell stays between 5ft and 8ft, but it’s going to be a choppy, bumpy mess. That strong cross-off wind will mess with the wave faces. The energy is strong, reaching as high as 1381. This raw power combined with the beach-and-reef setup and those winds will probably be more fun for the kite surfers than it is for us on a paddleboard. This rough stretch lasts right through until Tuesday, August 4th morning.
We get a tiny breather on Tuesday, August 4th morning. Swell is 5ft from the ENE, with a nice long 12-second period (groundswell) and lighter 15 km/h ENE winds. The energy is 725 (moderate). It’s just about surfable, but it’s the closest thing to a winner in that second week. After the 5th of August, the surf gets smaller and weaker. By the 9th of August, we are seeing a very long period (16-18 second) SSW groundswell, but the wind is a relentless 30-35 km/h from the ENE, making it an impossible mess for paddling.
So here it is plain: your best bet is the Wednesday morning session on July 29th. That’s the only time the wind drops and the swell has enough size to play. The rest of the 16 days is a battle with strong trades and declining swell quality. It’s a long wait after that first week for anything decent.
Keep your eyes on the horizon,
Rusty
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the ENE by Fri morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Fri afternoon, min 24°C on Fri night). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the ENE by Mon morning). | |||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | ||||||||||||||
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) | E 13 | ENE 11 | ENE 10 | S 14 | S 14 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | E 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1909 | 1126 | 697 | 195 | 194 | 270 | 210 | 258 | 337 | 416 | 795 | 829 | 962 | 985 | 887 | 651 | 528 | 433 | 407 | 371 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 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 | 6:49AM0.38m | 6:24PM0.52m | 7:47AM0.42m | 6:55PM0.44m | |||||||
Low Tide | 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 | 12:06PM0.16m | 1:15AM0.04m | 1:14PM0.22m | 1:46AM0.04m | |||||||
 |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 7:12 | — | — | 7:10 | — | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 27 | 25 | 29 | 29 | 29 | 29 | 26 | 24 | 23 | 22 | 22 | 20 | 20 | 22 | 21 | 23 | 22 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | ENE 11 | ENE 10 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | S 13 | S 12 | E 16 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | ENE 9 |
| kJ | 1909 | 1126 | 697 | 450 | 194 | 270 | 210 | 166 | 113 | 301 | 205 | 264 | 257 | 253 | 261 | 261 | 192 | 179 | 225 | 257 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | NNE 8 | S 14 | S 13 | SSW 16 | E 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 12 | SW 13 | SSW 12 | E 12 |
| kJ | 179 | 184 | 195 | 195 | 77 | 181 | 173 | 177 | 159 | 239 | 223 | 127 | 123 | 131 | 133 | 67 | 39 | 42 | 29 | 371 |
Swell 3 Height (m) Direction Period (s) | — | SW 21 | SW 21 | NE 12 | S 14 | SW 18 | SSW 18 | E 16 | SW 16 | S 12 | S 12 | S 12 | S 11 | S 11 | N 9 | S 11 | SSW 13 | SSW 13 | SW 13 | SSW 12 |
| kJ | — | 18 | 17 | 112 | 187 | 154 | 207 | 127 | 206 | 106 | 72 | 42 | 39 | 22 | 15 | 9 | 34 | 33 | 41 | 48 |
Wind waves Height (m) Direction Period (s) | NNE 9 | NNE 9 | — | — | — | — | — | E 8 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | — |
| kJ | 190 | 124 | — | — | — | — | — | 258 | 337 | 416 | 795 | 829 | 962 | 985 | 887 | 651 | 528 | 433 | 407 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 3 | 1 | 0 | 0 | 0 | 1 | 30 | 30 | 38 | 45 | 127 | 148 | 127 | 41 | 38 | 156 | 33 | 1 | 33 | 1 |
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.
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