Rockpiles surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Tuesday 26 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Rockpiles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rockpiles sea temperature is
25.1° C
(Which is normal for this time of year)

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 Sunday (May 31) at 2AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.8m and 8s. 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 1.3m 18s and forecast to arrive on Tuesday (Jun 02) 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 0.9m 7s period and expected on Sunday (May 31) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 31st May)2.5ft (0.8m) 16s
Best Surf 2AM (Tue 2nd Jun)2.5ft (0.7m) 21s
Most Powerful 8PM (Tue 2nd Jun)4.5ft (1.3m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Thu morning. Warm (max 24°C on Wed morning, min 23°C on Tue night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Sat afternoon, min 23°C on Fri night). Mainly fresh winds.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tue
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
0
2
1
2
2
2
1
4
3
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
ENE
7
1.6
ENE
7
1.7
ENE
7
1.9
ENE
7
1.4
ENE
7
1.5
ENE
7
0.6
S
21
0.8
S
20
0.9
S
19
0.9
S
18
0.9
S
17
0.8
S
16
0.8
S
16
0.8
SSW
15
0.7
S
15
0.6
S
19
0.8
S
18
0.9
SSW
18
0.7
S
21
1.1
S
16
1
S
16
Wave Graph
Metric surfscale
Energy kJ
526
273
302
336
203
204
329
495
593
509
470
334
318
300
209
276
408
516
428
635
516
Wind (km/h)
40
ENE
30
ENE
35
ENE
30
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
15
ENE
15
ENE
15
NE
20
NE
20
ENE
30
ENE
15
ENE
15
E
30
ENE
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
cross-off
High Tide
00:50AM0.25m
2:27PM0.55m
1:31AM0.21m
2:59PM0.59m
2:11AM0.17m
3:31PM0.62m
2:51AM0.15m
4:04PM0.63m
3:30AM0.13m
4:39PM0.64m
4:10AM0.12m
5:16PM0.64m
4:54AM0.12m
5:54PM0.62m
Low Tide
8:25PM0.13m
7:03AM-0.06m
9:23PM0.11m
7:27AM-0.07m
10:12PM0.09m
7:53AM-0.07m
10:55PM0.07m
8:21AM-0.06m
11:37PM0.05m
8:52AM-0.06m
00:19AM0.05m
9:25AM-0.05m
1:02AM0.05m
9:59AM-0.03m
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:07
7:07
7:08
7:08
7:08
1
Temp °C
23
24
24
23
24
24
23
24
24
24
24
25
24
25
25
24
25
25
24
25
26
18
21
20
19
21
21
20
21
20
22
22
23
22
25
25
24
25
23
23
26
26
Swell 1
Height (m)
Direction
Period (s)
0.6
S
15
0.6
S
14
0.5
S
14
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
21
0.8
S
20
0.9
S
19
0.9
S
18
0.9
S
17
0.8
S
16
0.8
S
16
1
ENE
8
0.7
S
15
0.8
SSW
14
0.8
S
18
0.9
SSW
18
0.8
SSW
16
1.2
ENE
7
1
S
16
Energy kJ
150
144
89
121
105
103
329
495
593
509
470
334
318
120
209
276
408
516
359
116
516
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
16
0.5
NW
15
0.5
NW
14
0.4
NW
13
0.4
NW
12
0.4
NW
12
0.5
S
12
0.5
N
10
0.4
S
11
0.5
S
13
0.4
S
12
0.8
E
7
0.8
E
8
0.8
SSW
15
0.6
E
8
0.6
S
19
0.6
S
14
0.5
S
13
0.7
S
21
1.1
S
16
0.9
NE
6
Energy kJ
91
104
96
61
52
37
68
51
39
80
44
70
71
300
44
273
144
89
428
635
60
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
18
0.1
SW
18
0.2
SSE
6
0.3
NNE
13
0.4
NNE
12
0.3
N
11
0.4
NNE
11
0.5
S
11
0.4
NNE
10
0.4
NNE
11
0.4
NNE
10
0.4
S
12
0.7
NE
8
0.4
NNE
8
0.4
NNE
8
0.4
NNE
8
0.3
NNW
10
0.4
NNW
10
0.6
S
13
0.8
S
20
0.8
S
19
Energy kJ
12
12
4
32
48
20
38
61
31
37
33
43
55
22
22
20
19
31
125
485
475
Wind waves
Height (m)
Direction
Period (s)
2.2
ENE
7
1.6
ENE
7
1.7
ENE
7
1.9
ENE
7
1.4
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.5
ENE
7
1.3
ENE
7
0.8
NE
8
0.7
NE
7
0.9
ENE
8
1
ENE
8
1
ENE
7
1.3
ENE
7
Energy kJ
526
273
302
336
203
204
210
200
208
228
172
67
53
105
123
104
153
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
3
3
2
4
4
3
Distance (km)
39
30
38
30
30
39
30
30
38
30
30
30
0
6
0
1
1
30
0
6
30
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
2
2
3
3
3
3
3
3
3
2
2
3
3
3
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
4
4
4
4
3
4
3
3
4
2
2
4
3
3
4
4
4
Header Global
Rating
(10 max)
7
6
6
7
9
6
5
5
5
4
7
6
5
5
4
4
6
7
4
4
4
  • 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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