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Surf Forecasts:

Rockpiles surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Wednesday 10 Dec 2025 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
25.9° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Rockpiles this week:

The most powerful waves expected at Rockpiles in the next 12 days are 1.6m 6s and forecast to arrive on Tuesday (Dec 16) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 14s period and expected on Monday (Dec 15) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Tue 16th Dec)5ft (1.6m) 6s

Table - best surf conditions forecast for Rockpiles over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 5mm), mostly falling on Thu morning. Warm (max 25°C on Wed afternoon, min 22°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 36mm), heaviest during Mon night. Warm (max 25°C on Sat afternoon, min 22°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the S by Mon night).

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
E
0.4
SSW
0.4
SSW
0.6
E
0.5
E
0.5
E
0.6
N
0.5
E
0.5
E
0.5
E
0.3
SSW
0.4
E
0.4
E
0.4
E
0.9
S
1.3
S
1.4
S
0.9
WSW
1.4
SSW
1.6
SSW
1
S
Period(s) (?)8161588811888128885667666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)728572422930031313127191818361081438612618576
Wind
(km/h)
20
SW
20
WSW
20
WSW
10
N
10
NNE
10
N
5
E
10
ESE
15
S
15
SSW
20
SW
10
WSW
15
SSE
15
S
20
S
25
SSW
25
SSW
30
S
30
S
35
SSW
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crossoffoffoffcrosscrossononcross-
on		cross-
on		ononononononononon
High Tide
/ height (m)
8:30AM
0.59
10:38PM
0.29
9:17AM
0.51
11:45PM
0.37
10:05AM
0.43
12:34AM
0.44
10:54AM
0.36
1:13AM
0.51
11:45AM
0.30
1:48AM
0.57
12:35PM
0.25
2:20AM
0.62
1:22PM
0.22
2:53AM
0.66
Low Tide
/ height (m)
4:13PM
0.03
2:35AM
0.23
4:48PM
0.03
4:29AM
0.27
5:18PM
0.03
6:19AM
0.26
5:46PM
0.02
7:46AM
0.23
6:12PM
0.02
8:52AM
0.20
6:39PM
0.01
9:42AM
0.16
7:08PM
0.01
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Sunrise6:56--6:58--6:58--6:58--7:00--7:00--7:01--
Sunset-5:50--5:50--5:50--5:51--5:51--5:51--5:52-
clear
clear
clear
light rain
cloud
part cloud
clear
clear
clear
clear
clear
thunderstorm
part cloud
part cloud
mod rain
thunderstorm
mod rain
rain showers
part cloud
thunderstorm
thunderstorm
Rain (mm)
---5-------2--751012-312
Temp. °C242524232323232424242524252525252424252524
Feels °C (?)232423242424242525242426262627232321242322
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rockpiles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Rockpiles at:
surf-forecast.com

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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 12 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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