Surf Forecasts:
Rockpiles surf forecast from 11 Jul 2026:
- Best quality surf: Wednesday 15 Jul, 5AM (local time) - 2.5ft (0.7m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 12 Jul, 2PM (local time) - 7ft (2.2m), 8s period, ENE swell with 512 kJ wave energy.
- Next surfable swell (1★+): Wednesday 15 Jul, 5AM (local time) - 2.5ft (0.7m), 17s period with SW 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 15) at 5AM. The primary swell is predicted to be 0.7m and 17s period. 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 8s and forecast to arrive on Sunday (Jul 12) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Tuesday (Jul 14) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 15th Jul) | 2.5ft (0.7m) 17s |
| Best Surf | 5AM (Wed 15th Jul) | 2.5ft (0.7m) 17s |
| Most Powerful | 2PM (Sun 12th Jul) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Rockpiles over the next 16 days.
Alright folks, Rusty here. Let’s be straight with you – this 16-day window for Rockpiles is a tough one. The wind is locked in from the ENE for most of the run, and while it’s cross-offshore, it’s also cranking. That breeze is going to be the main event, not the surf. We’ve got a real flat spell in the middle of the outlook, so don’t expect much.
We kick off this Saturday, July 11th, with some swell on the cards. Rockpiles is a reef setup, fairly consistent, and it’s an advanced wave. This swell is from the ENE, 7 ft, but the period is a short 7 seconds – that’s windswell, not groundswell. The energy is registering at 638 (moderate), but the wind is a strong 25 mph, making it a cross-off. It’s clean, but the surf quality is poor. There’s no real standout here.
Sunday the 12th is more of the same: 7 ft of short-period ENE windswell, with 903 energy (moderate), but we’re still battling that 25 mph wind. The water is 79°, which is about average for the time of year, so nothing wild there. By Monday the 13th, the swell drops to 6 ft, still short period, and we’re only looking at a marginal surf forecast due to those tides.
Then we hit a long dry spell. From Tuesday the 14th all the way through to Thursday the 23rd, the swell drops to a pathetic 2 ft to 3 ft, mostly from the SSW or SW with long periods (13-20 seconds), but the energy is weak. The wind is still hanging on, and the forecast is consistently poor or marginal. That’s a solid 10-day stretch of nothing worth getting wet for.
Finally, on Friday the 24th, we start to see a glimmer. The swell is still small (3 ft) from the SSW, but on Saturday the 25th we get a pulse of ENE windswell again – 6 ft, and building to 7 ft on Saturday afternoon, with 814 energy (moderate). The wind is still 19 mph, so it’s not perfect, but it’s the best we’ve got. The period is short at 7 seconds, so it will be a bit bumpy. This is the only window worth a look if you’re desperate.
Sunday the 26th closes out the outlook with 6 ft from the ENE. It’s still marginal, but the wind is a touch lighter. Honestly, if you can wait for a day when that ENE wind drops to 12-15 mph, you might get a session. As it stands, the only real standout in this whole 16-day run is Saturday the 25th afternoon, but it’s a long-range call and far from certain. Keep your expectations low.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Sat morning, min 24°C on Sat night). Winds decreasing (strong winds from the ENE on Sun afternoon, light winds from the NE by Mon night). | Days 4-6 Weather SummarySome drizzle, heaviest during Wed afternoon. Warm (max 26°C on Wed morning, min 24°C on Tue morning). Winds increasing (light winds from the E on Tue night, fresh winds from the ENE by Thu night). | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
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) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | SW 14 | SW 14 | E 7 | SW 13 | SW 14 | SSW 16 | SSW 13 | SSW 17 | SSW 14 | ENE 7 | SSW 16 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 373 | 366 | 373 | 498 | 459 | 422 | 373 | 296 | 261 | 191 | 186 | 53 | 164 | 206 | 314 | 113 | 195 | 186 | 175 | 196 | 147 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:24PM0.76m | 1:50AM0.16m | 3:11PM0.80m | 2:52AM0.17m | 3:56PM0.82m | 3:49AM0.19m | 4:39PM0.80m | 4:45AM0.22m | 5:20PM0.76m | 5:41AM0.26m | 5:59PM0.69m | 6:41AM0.30m | 6:36PM0.61m | ||||||||
Low Tide | 10:04PM0.07m | 7:21AM-0.09m | 10:45PM0.04m | 8:13AM-0.09m | 11:23PM0.02m | 9:06AM-0.08m | 11:59PM0.01m | 9:57AM-0.04m | 00:34AM0.01m | 10:49AM0.01m | 1:08AM0.01m | 11:44AM0.08m | 1:42AM0.01m | ||||||||
 | |  | |  | | | | | | | | |  |  | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 24 |
Feels °C | 23 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 24 | 27 | 26 | 24 | 25 | 24 | 23 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SW 14 | NNE 7 | SW 14 | NE 7 | NE 7 | ENE 7 | NE 7 | NNE 7 | W 14 | SSW 14 | W 14 | SSW 16 | SSW 14 |
| kJ | 221 | 316 | 309 | 376 | 367 | 353 | 287 | 272 | 208 | 96 | 186 | 121 | 132 | 88 | 102 | 68 | 203 | 186 | 101 | 196 | 147 |
Swell 2 Height (m) Direction Period (s) | W 14 | W 13 | W 13 | W 12 | SSE 12 | W 12 | SSE 12 | W 18 | W 18 | SW 14 | W 16 | E 7 | W 15 | W 15 | SSW 16 | W 14 | SSW 13 | W 14 | SSW 16 | W 14 | NNE 7 |
| kJ | 63 | 54 | 54 | 27 | 47 | 26 | 27 | 97 | 152 | 191 | 190 | 53 | 221 | 215 | 314 | 203 | 149 | 148 | 100 | 98 | 30 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 13 | W 12 | SSE 12 | W 12 | SSE 11 | SW 18 | W 16 | SW 19 | W 15 | SW 13 | SW 14 | W 15 | SSW 13 | SSW 17 | SSE 8 | SSW 12 | SSW 12 | E 8 |
| kJ | 44 | 25 | 23 | 29 | 26 | 28 | 26 | 25 | 82 | 190 | 94 | 227 | 164 | 206 | 212 | 113 | 195 | 11 | 54 | 55 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 8 | NE 8 | — | — | — | — | E 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 |
| kJ | 373 | 366 | 373 | 498 | 459 | 422 | 373 | 296 | 261 | 116 | 210 | — | — | — | — | 47 | 82 | 160 | 175 | 160 | 110 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 41 | 38 | 38 | 41 | 30 | 38 | 41 | 1 | 30 | 30 | 30 | 1 | 30 | 4 | 30 | 38 | 38 | 38 | 38 | 33 |
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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