Rockpiles surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Monday 04 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
25.2° C
(Which is slightly warmer than usual)

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 (May 05) at 5AM. The primary swell is predicted to be 1.0m and 6s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rockpiles in the next 16 days are 1.9m 7s and forecast to arrive on Monday (May 11) 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 1.6m 6s period and expected on Monday (May 11) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 5th May)3.5ft (1.0m) 6s
Best Surf 5AM (Tue 5th May)3.5ft (1.0m) 6s
Most Powerful 8PM (Mon 11th May)6ft (1.9m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 25°C on Tue afternoon, min 23°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

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

Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Mon
11
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
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
ENE
7
1.1
E
6
0.4
SW
18
0.7
E
7
0.4
SSW
18
0.4
SSW
16
0.5
SSW
16
0.4
SSW
15
0.5
E
8
0.5
E
8
0.5
S
17
0.4
S
17
0.4
SSW
16
0.7
E
5
0.4
SSW
15
0.4
SSW
14
0.4
SSW
13
0.3
SSE
9
0.3
SSW
13
1.5
E
6
1.7
E
6
Wave Graph
Metric surfscale
Energy kJ
140
101
79
52
102
85
146
72
31
31
151
94
85
26
71
70
58
16
33
176
232
Wind (km/h)
15
E
10
SSE
15
SW
5
WNW
5
SE
5
N
15
NE
10
ENE
15
NE
15
NE
15
NE
15
NE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
cross
on
cross-on
cross-off
glassy
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
High Tide
5:45AM0.11m
7:00PM0.55m
6:46AM0.09m
7:50PM0.53m
8:23AM0.09m
8:44PM0.51m
10:12AM0.12m
9:37PM0.48m
11:25AM0.18m
10:29PM0.46m
12:12PM0.25m
11:17PM0.42m
12:52PM0.34m
Low Tide
2:11AM0.06m
10:51AM-0.01m
3:19AM0.06m
11:27AM0.02m
4:19AM0.05m
12:15PM0.05m
5:02AM0.03m
5:32AM0.02m
3:14PM0.13m
5:57AM-0.01m
4:54PM0.14m
6:20AM-0.03m
6:17PM0.12m
part cloud
clear
clear
rain showers
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
5:56
5:56
5:56
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:58
6:58
6:58
6:59
6:59
7:00
7:00
2
Temp °C
24
24
25
25
24
24
24
24
25
24
24
25
24
24
24
23
24
24
23
24
24
27
27
26
26
27
26
26
25
26
25
24
25
24
22
22
20
21
21
20
21
20
Swell 1
Height (m)
Direction
Period (s)
1.1
ENE
7
1.1
E
6
0.9
E
7
0.7
E
7
0.5
E
8
0.5
E
8
0.5
SSW
16
0.5
NW
15
0.9
NNW
12
0.7
NW
13
0.8
NNW
12
0.7
NW
12
0.6
NNW
12
0.7
E
5
0.4
SSE
8
0.4
SSW
14
0.4
NNW
12
0.4
NNW
11
0.5
NW
12
0.5
NW
12
0.4
SSW
18
Energy kJ
140
101
72
52
28
28
146
116
193
175
190
147
91
26
26
70
54
44
69
67
102
Swell 2
Height (m)
Direction
Period (s)
0.6
NW
12
0.5
NW
12
0.5
NW
11
0.4
NW
11
0.4
NW
10
0.4
SSW
16
0.4
NW
10
0.5
NNW
12
0.6
NW
14
0.5
NNW
9
0.5
S
17
0.4
S
17
0.4
SSW
16
0.4
N
7
0.4
SSW
15
0.4
NW
10
0.4
SSW
13
0.4
NW
13
0.3
NNW
9
0.3
SSW
18
0.4
NW
11
Energy kJ
114
67
59
41
25
85
24
77
169
46
151
94
85
16
71
28
58
42
17
62
30
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
13
0.4
SSW
12
0.4
SW
18
0.4
SSE
6
0.4
SSW
18
0.4
NW
10
0.3
NW
17
0.4
SSW
15
0.5
E
8
0.5
E
8
0.4
ESE
8
0.3
E
8
0.4
SE
7
0.4
NW
11
0.4
NW
11
0.3
E
8
0.3
ESE
8
0.3
SSE
9
0.3
SSW
13
0.2
S
12
0.3
NNW
10
Energy kJ
56
50
79
10
102
25
46
72
31
31
20
10
12
42
29
11
13
16
33
11
19
Wind waves
Height (m)
Direction
Period (s)
0.5
S
7
0.2
N
6
0.5
ENE
8
0.6
E
8
0.6
NE
3
0.8
NE
5
0.8
ENE
5
0.8
ENE
5
0.9
ENE
5
0.9
ENE
6
1.2
ENE
5
1.1
ENE
6
1.3
ENE
6
1.6
E
6
1.5
E
6
1.7
E
6
Energy kJ
22
3
37
49
7
25
31
32
36
69
78
79
111
169
176
232
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
1
1
2
1
1
1
1
2
1
1
2
2
2
1
1
Distance (km)
1
20
16
0
0
0
0
0
30
6
1
1
1
32
32
32
32
32
32
31
127
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
1
1
2
4
4
4
3
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
2
2
2
4
4
4
3
3
4
2
2
4
2
2
3
3
2
Header Global
Rating
(10 max)
5
5
5
9
6
8
5
5
5
7
5
5
5
5
4
4
5
5
5
5
9
  • 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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