Surf Forecasts:
Rockpiles surf forecast from 22 Jul 2026:
- Best quality surf: Tuesday 28 Jul, 8PM (local time) - 5.5ft (1.7m), 13s period, E swell with cross-offshore winds.
- Most powerful swell: Monday 27 Jul, 8PM (local time) - 7ft (2.2m), 14s period, ENE swell with 1,883 kJ wave energy.
- Next surfable swell (1★+): Tuesday 28 Jul, 8PM (local time) - 5.5ft (1.7m), 13s period with E 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 Tuesday (Jul 28) at 8PM. The primary swell is predicted to be 1.7m and 13s period with a secondary swell of 0.7m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rockpiles in the next 16 days are 2.2m 14s and forecast to arrive on Monday (Jul 27) 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 2.0m 8s period and expected on Saturday (Jul 25) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 28th Jul) | 5.5ft (1.7m) 13s |
| Best Surf | 8PM (Tue 28th Jul) | 5.5ft (1.7m) 13s |
| Most Powerful | 8PM (Mon 27th Jul) | 7ft (2.2m) 14s |
Table - best surf conditions forecast for Rockpiles over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for Rockpiles. It’s a reef break, and it’s gonna be a bit of a waiting game, to be honest. There’s a long stretch of nothing much worth getting excited about for the first week or so. The wind is coming in from the ENE pretty much constantly, which is cross-off, but the swell is tiny and weak. The combined energy is all over the place, but the wave heights are just too small and the quality is poor. You’ll see a few bits of energy around 2 ft to 3 ft, but it’s not going to do anything for you.
The first real hint of something better comes on Thursday the 24th of July, with a morning swell from the ENE at 6 ft, but the period is a short 7 seconds, so it’s going to be a bit of a mess. Energy is moderate, around 924. The wind is still a fresh 22 mph, so it’s not ideal.
The standout period, and I mean the only real standout, is around the 30th of July. Thursday morning, the swell is 6 ft from the ENE, with a period of 11 seconds, and the combined energy is strong at 941. The wind drops right off to a mere 3 mph, making it a clean cross-off. Then Thursday afternoon, it gets even better – the wind goes glassy, from the NW at 3 mph. The swell drops a touch to 6 ft, still from the ENE, with a period of 10 seconds and energy of 835. The conditions are labelled as “very good”. That spot on Thursday afternoon, with the glassy water and clean lines, is your best bet. The swell is not too big, so it’s accessible for most, and the reef will handle that long-period energy well. Water temp is about 80°F, which is pretty normal for this time of year.
After that, it falls apart again. The wind picks up, the swell direction gets messy, and the period drops back to short, weak energy. From Friday the 31st of July right through to the 5th of August, you’re looking at small, poor-quality surf with strong onshore winds. There’s a brief moment on the 5th of August morning with a 2 ft SSW swell and a long period of 16 seconds, but the wind is light, so it might be clean but it’s tiny. Rockpiles is fairly consistent, but it’s just not on for most of this run.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 26°C on Fri afternoon, min 24°C on Wed night). Mainly strong winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Fri night, min 24°C on Fri night). Mainly fresh winds. | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
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) | S 13 | SSW 24 | SSW 23 | SSW 22 | SSW 20 | ENE 7 | SSW 18 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | SSW 18 | SSW 18 | ENE 8 | E 15 | E 15 | E 14 | E 14 | E 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 277 | 317 | 426 | 363 | 412 | 395 | 464 | 379 | 373 | 400 | 391 | 572 | 547 | 469 | 635 | 819 | 915 | 890 | 1214 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:56PM0.27m | 12:12PM0.54m | 10:06PM0.22m | 1:02PM0.59m | 11:46PM0.19m | 1:44PM0.62m | 00:59AM0.18m | 2:22PM0.66m | 1:51AM0.19m | 2:56PM0.68m | 2:32AM0.21m | 3:29PM0.70m | 3:10AM0.23m | ||||||
Low Tide | 4:02AM0.05m | 8:25PM0.21m | 9:13PM0.17m | 5:34AM0.05m | 9:41PM0.14m | 6:23AM0.04m | 10:05PM0.12m | 7:08AM0.02m | 10:27PM0.11m | 7:51AM0.01m | 10:49PM0.10m | ||||||||
 |  | | |  | | |  | | | | | | | |  | | | | |
 | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — |
 | 7:14 | — | 7:14 | — | — | 7:14 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 23 | 21 | 23 | 21 | 21 | 20 | 21 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | E 12 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 19 | SSW 18 | SSW 18 | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 |
| kJ | 277 | 215 | 206 | 180 | 412 | 395 | 464 | 329 | 340 | 232 | 391 | 572 | 547 | 465 | 635 | 819 | 915 | 890 | 1214 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 12 | E 11 | S 13 | S 12 | S 11 | S 11 | S 12 | S 12 | S 20 | SSW 16 | S 11 | E 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 65 | 138 | 123 | 157 | 134 | 125 | 55 | 143 | 102 | 296 | 223 | 61 | 163 | 469 | 366 | 333 | 228 | 222 | 213 |
Swell 3 Height (m) Direction Period (s) | NE 7 | SSW 24 | SSW 23 | SSW 22 | SSW 16 | SW 16 | S 13 | SSW 15 | S 21 | S 12 | S 12 | E 13 | S 11 | SSW 11 | S 10 | SW 10 | SW 9 | SW 9 | NNE 9 |
| kJ | 57 | 317 | 426 | 363 | 100 | 127 | 85 | 93 | 231 | 100 | 66 | 55 | 37 | 38 | 19 | 34 | 13 | 12 | 35 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 |
| kJ | 162 | 195 | 171 | 150 | 307 | 360 | 448 | 379 | 373 | 400 | 365 | 425 | 452 | 408 | 397 | 302 | 263 | 261 | 122 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 38 | 32 | 31 | 38 | 45 | 31 | 38 | 41 | 31 | 38 | 127 | 38 | 30 | 41 | 30 | 1 | 30 | 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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