Rockpiles Surf Break

Lat Long: 21.28° N 157.84° W

Rockpiles Surf Forecast and Surf Report

Issued: 7 am 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Rockpiles sea temperature is
26.2° C
0.1° 

Rockpiles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rockpiles surf forecast from 12 Jul 2026:

  • Best quality surf: Thursday 16 Jul, 5AM (local time) - 2.5ft (0.7m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 13 Jul, 5AM (local time) - 7ft (2.1m), 8s period, ENE swell with 469 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 5AM (local time) - 2.5ft (0.7m), 16s 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 Thursday (Jul 16) at 5AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 1.2m and 7s. 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 2.1m 8s and forecast to arrive on Monday (Jul 13) at 5AM. 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 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 16th Jul)2.5ft (0.7m) 16s
Best Surf 5AM (Thu 16th Jul)2.5ft (0.7m) 16s
Most Powerful 5AM (Mon 13th Jul)7ft (2.1m) 8s

Table - best surf conditions forecast for Rockpiles over the next 16 days.


Alright folks, Rusty here. Let’s take a good hard look at what Rockpiles has in store for us over the next couple of weeks. I won’t sugarcoat it—this isn’t a classic run, but there are a couple of moments that might just make it worth strapping in for.

We’re starting off with a bit of a dud, to be honest. The first few days are pretty grim. Sunday the 12th and Monday the 13th have a lumpy 6 ft to 6.5 ft of short-period ENE windswell, but the wind is blowing a strong 25 to 31 mph cross-offshore. That’s clean, sure, but it’s messy, chunky, and the combined energy is moderate at best. Tuesday the 14th drops right off to a weak 2.3 ft, and we’re stuck with that on-and-off dribble for days. The swell direction swings to the SW with periods around 14 seconds, which is a nice sign of groundswell, but the size just isn’t there. The combined energy drops well below 300—weak stuff. Wednesday through the following Monday, we’re looking at 2 ft to 2.6 ft of mostly SSW to S swell. There’s a long-period pulse (up to 17 seconds) on Thursday the 16th, but at 2 ft? That’s barely a bump on a log. The combined energy sits in the moderate zone, but it’s not doing much. Constant cross-off winds from the ENE, blowing between 16 and 22 mph. It’s clean, but there’s nothing in the water to get excited about.

Now, here’s where we start to see a little life. Sunday the 19th, we get a pulse of ENE windswell back up to 4.9 ft, period a short 8 seconds. Combined energy climbs to 397. Still not great, but it’s a step up. Monday the 20th sees a drop again to 2.3 ft, but the period extends to 16 seconds and the energy jumps to 533. That’s moderate to strong. The wind is still cross-off at 16 mph from the ENE, so it’s clean. It’s a tease, but you could find a sneaky one if you’re patient.

The best of the lot, the real standout, is building towards the end of the run. From Friday the 25th through Monday the 27th, we’ve got some proper juice. On the 25th, the swell bumps to 3.3 ft from the E, with a period of 15-16 seconds. That’s proper long-period groundswell. Combined energy is strong, hitting 809 on Saturday the 25th morning and peaking at 996 on Sunday the 26th afternoon. That’s almost hitting the four-digit mark! The swell is still a bit short of overhead, but the direction (E) is a good match for Rockpiles’ optimum SSE, so it’ll wrap in nicely. The wind stays cross-off from the ENE at 19 mph, so the surface will be clean. Crowds? Rockpiles can be busy, so expect company if you’re out there. For an advanced reef break like this, that 3.3 ft to 3.9 ft with a 15-second period is a dream. The water is a warm 79°F, which is bang-on average for this time of year—no wetsuit needed.

So, to sum it up: the first week and a half is mostly a write-off. But that final weekend—Saturday the 25th and Sunday the 26th—is where it’s at. That’s your best bet. Monday the 27th still looks solid with 3.9 ft and 14-second period, energy in the 900s. It’s a long-range call, so keep an eye on it, but it’s got promise.

Stay stoked, and don’t bother paddling out until that last week unless you’re desperate for a float.

Short Range Forecast

Light rain (total 4mm), mostly falling on Tue morning. Warm (max 25°C on Sun morning, min 24°C on Sun night). Winds decreasing (strong winds from the ENE on Sun morning, light winds from the NE by Mon night).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 26°C on Wed morning, min 25°C on Wed morning). Winds decreasing (fresh winds from the ENE on Fri morning, light winds from the ENE by Fri night).

Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
1
2
1
0
1
0
1
1
0
0
0
0
0
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
16
1.9
ENE
8
2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.5
ENE
7
0.7
SW
14
0.7
SW
14
1.3
ENE
8
0.7
SW
13
0.7
SSW
14
0.8
SSW
16
0.6
SSW
16
0.6
SSW
17
1
SSW
11
0.8
SSW
11
0.6
SSW
16
0.9
ENE
6
0.6
S
13
1.2
E
8
1.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
435
400
451
373
322
236
191
186
187
164
178
314
175
197
247
151
196
59
130
186
245
Wind (km/h)
40
ENE
40
ENE
35
ENE
35
ENE
30
ENE
20
NE
20
ENE
30
ENE
20
ENE
15
E
25
ENE
15
ENE
30
E
25
ENE
30
ENE
35
ENE
30
NE
10
ENE
25
ENE
30
ENE
20
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
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
7:44AM0.34m
7:11PM0.52m
Low Tide
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
12:46PM0.16m
2:15AM0.02m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
clear
rain showers
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
rain showers
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:58
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:15
 mm
1
1
2
1
2
1
Temp °C
25
25
24
25
25
24
25
25
25
26
26
25
26
26
25
25
26
25
26
26
25
Feels °C
23
21
21
22
22
22
24
23
25
27
25
24
25
25
23
23
25
25
26
25
24
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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