
Surf Forecasts:
Rockpiles surf forecast from 6 Aug 2026:
- Best quality surf: Thursday 6 Aug, 8AM (local time) - 1.5ft (0.4m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 11AM (local time) - 3.5ft (1.0m), 18s period, S swell with 627 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 8AM (local time) - 1.5ft (0.4m), 15s period with SSW 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 Thursday (Aug 06) at 8AM. The primary swell is predicted to be 0.4m and 15s period with a secondary swell of 0.8m and 5s. Another secondary swell of 0.7m and 8s is also forecast. 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 1.0m 18s and forecast to arrive on Wednesday (Aug 12) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Aug 08) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 6th Aug) | 1.5ft (0.4m) 15s |
| Best Surf | 8AM (Thu 6th Aug) | 1.5ft (0.4m) 15s |
| Most Powerful | 11AM (Wed 12th Aug) | 3.5ft (1.0m) 18s |
Table - best surf conditions forecast for Rockpiles over the next 16 days.
The Lowdown
Righto, let’s have a look at what’s on the cards for Rockpiles over the next couple of weeks.
The outlook starts off a bit flat, with no real surf to speak of for the first few days. Wednesday afternoon on the 5th of August gets a wave rating of 1 out of 10, with a weak 3.6 ft from the ENE and moderate cross-off winds. The combined energy is only 379 (weak), and the water temp is sitting at 80.6°, which is about average for this time of year – nothing unusual there.
Thursday the 6th and Friday the 7th are a write-off. Swell drops right away to 1.3 ft, even though the period is a long 14 to 20 seconds from the SSW. Those are groundswell pulses, but there’s just not enough height to do anything with. Wind stays cross-off from the ENE, but it’s more of a frustration than a help.
Saturday the 8th sees a bit of a bump in swell size – 4.6 ft to 5.6 ft from the ENE – but the period is short at 7 seconds. That’s weak, choppy stuff, and the wind is a fresh 22 mph cross-off. Combined energy hits 438 (moderate) on Saturday morning and 514 (moderate) in the afternoon, but the surf quality is still rated as poor. Still not worth paddling out.
Sunday the 9th is more of the same: 5.9 ft to 6.2 ft, short-period ENE windswell, fresh cross-off breeze. Energy climbs into the 600s (moderate to strong), but it’s messy and unappealing.
Monday the 10th gives us a glimpse of something longer. The afternoon sees a 2.0 ft swell from the SSW with a 16-second period, which is a long groundswell, but it’s small and the wind is strong cross-off. Combined energy is 454 (moderate), but the wave comment says poor. Not a goer.
Tuesday the 11th brings a slight improvement. The afternoon has 2.6 ft from the SSW at 14 seconds, with combined energy hitting 511 (moderate). Still, the wind is a moderate breeze cross-off, and it’s only rated a 2 out of 10. Marginal at best.
Wednesday the 12th is the first time things start to get interesting. The morning shows 3.3 ft from the south at 18 seconds – that’s a long, proper groundswell. Combined energy is huge at 975 (strong), and the wind is a fresh cross-off from the ENE. This is the first window where you could actually get a few decent ones if the tide lines up, though it’s still rated as marginal (1 out of 10). The afternoon stays similar.
Thursday the 13th keeps the south swell going, 3.3 ft to 3.9 ft at 15-16 seconds, but the wind picks up to a strong breeze (25 mph) cross-off. Energy stays high (614-843), but the poor rating suggests it’s blown out.
Now, here’s the standout: Friday the 14th of August. The morning swell jumps to 7.9 ft from the ENE, period a short 8 seconds. That’s a sizeable windswell, but combined energy is huge at 1056 (very strong). Afternoon sees 8.2 ft from the same direction, period still 8 seconds, energy 1106 (very strong). The wind is a strong breeze cross-off. This is big, powerful, and messy. It’s not clean, but if you’re a solid expert and you want to charge, this is the day. The period is short, so it’ll be a bit lumpy, but there’ll be plenty of push. For most, this is too big – over 8.2 ft is experts only.
Saturday the 15th and Sunday the 16th hold steady at 8.2 ft from the ENE, period 8 seconds, with strong cross-off winds. Energy stays well over 1000 (very strong). Again, this is big, raw, and not for the faint-hearted. The wind is constant cross-off, which keeps the face a bit cleaner than it would be onshore, but it’s still a battle.
Monday the 17th drops slightly to 7.2 ft, still short period, energy in the 700s (moderate to strong). The wind is fresh to strong cross-off. Poor conditions, honestly – it’s bigger but not better.
Tuesday the 18th and Wednesday the 19th hover around 6.6 ft to 7.2 ft, same short period ENE windswell, fresh cross-off winds. Energy falls into the 400s to 600s. Still not a quality wave.
Thursday the 20th sees a drop to 5.9 ft-6.2 ft, period stuck at 7 seconds, moderate to fresh cross-off. Energy around 450-500. The run ends on a flat note.
Overall, there’s nothing here that screams "classic session" for Rockpiles. The only real standout is the 14th and 15th of August if you’re an expert looking for size and power, but it’s short-period, messy energy. The wind is always cross-off, which saves it from being a
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 24°C on Thu night). Winds increasing (light winds from the ENE on Thu morning, fresh winds from the ENE by Sat morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sat afternoon, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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 9 | ENE 9 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SW 20 | SSW 19 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | SSW 16 | ENE 7 | SSW 14 | SSW 14 | S 20 |
Wave Graph | ||||||||||||||||||||
203 | 86 | 81 | 80 | 102 | 77 | 99 | 148 | 163 | 240 | 281 | 337 | 385 | 337 | 186 | 191 | 184 | 218 | 269 | 373 | |
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 | cross-off |
High Tide | 8:07PM0.29m | 11:24AM0.60m | 9:30PM0.22m | 12:27PM0.67m | 11:32PM0.19m | 1:22PM0.73m | 00:59AM0.19m | 2:10PM0.78m | 2:02AM0.22m | 2:54PM0.80m | 2:55AM0.26m | 3:35PM0.79m | 3:43AM0.31m | |||||||
Low Tide | 5:19PM0.27m | 3:10AM0.03m | 7:39PM0.21m | 4:08AM0.02m | 8:34PM0.16m | 5:14AM0.01m | 9:09PM0.12m | 6:20AM-0.01m | 9:40PM0.08m | 7:20AM-0.02m | 10:10PM0.06m | 8:15AM-0.02m | 10:40PM0.05m | |||||||
— | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | |
7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 26 |
Feels °C | 25 | 25 | 26 | 25 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 26 | 26 | 24 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | ENE 9 | ENE 8 | ENE 8 | SW 14 | ENE 5 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 17 | SSW 12 | S 16 | ENE 7 | SSW 16 | ENE 7 | SSW 14 | SSW 14 | ENE 7 |
88 | 86 | 59 | 42 | 102 | 37 | 73 | 105 | 113 | 101 | 99 | 159 | 86 | 131 | 186 | 191 | 167 | 218 | 269 | 108 | |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 14 | SSW 14 | SSW 14 | ENE 8 | ENE 7 | SW 20 | SSW 19 | SW 18 | SW 18 | SW 18 | SSW 13 | SSW 16 | SSW 12 | SSW 15 | SSE 9 | SSW 15 | SSE 9 | SSE 9 | SSW 13 |
39 | 82 | 81 | 80 | 22 | 21 | 99 | 148 | 162 | 154 | 150 | 96 | 102 | 56 | 184 | 33 | 184 | 31 | 31 | 239 | |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 11 | SSW 14 | SSE 11 | S 11 | NE 10 | SSE 10 | SSE 10 | SSE 10 | SSW 18 | SW 16 | SSW 12 | SSW 11 | SSE 9 | W 10 | S 21 | S 20 |
49 | 48 | 25 | 24 | 21 | 77 | 22 | 21 | 17 | 19 | 19 | 19 | 102 | 64 | 56 | 49 | 32 | 18 | 79 | 373 | |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 5 | — | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | — | ENE 7 | — | ENE 7 | ENE 7 | — |
203 | 38 | 45 | 47 | 39 | — | 71 | 146 | 163 | 240 | 281 | 337 | 385 | 337 | — | 181 | — | 163 | 132 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1 | 1 | 30 | 3 | 1 | 30 | 30 | 30 | 38 | 38 | 31 | 30 | 38 | 30 | 31 | 30 | 1 | 1 | 1 | 3 |
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.











