Rockpiles surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 18 Mar 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
24.6° C
(Which is normal for this time of year)

How big are the waves at Rockpiles today?

The current surf forecast for Rockpiles at 1AM is: 0.9m 15s primary swell from a South direction (forecast issued at 07:00pm March 18). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (19 Mar)3ft (0.9m)14s
Afternoon (19 Mar)2.5ft (0.8m)14s
Evening (19 Mar)2.5ft (0.8m)13s

Table - waves today at Rockpiles. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Saturday
21
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
2
2
2
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
S
0.8
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
0.8
S
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.4
SSW
0.6
SSW
0.6
SSW
0.5
SW
0.6
SSW
0.6
SSW
0.7
SSW
Period(s) (?)151515151414141414141313131313131319191919181818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)302283343343338333333257246232173167171168168162117146246246170216211276
Wind
(km/h)
10
E
10
ENE
5
ENE
5
SE
10
SE
15
E
15
SE
15
SSE
15
SSE
15
SSE
15
SE
10
S
15
SSW
15
S
20
S
25
S
15
S
15
SSW
15
SSW
15
SW
15
SSW
10
SSW
15
SSW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
glassglasscross-
on
crosscross-
on
cross-
on
ononcross-
on
onononononononcross-
on
cross-
on
cross-
on
oncross-
on
cross-
off
High Tide
/ height (m)
4:07PM
0.45
4:07AM
0.46
4:49PM
0.51
4:40AM
0.40
5:34PM
0.55
5:14AM
0.32
Low Tide
/ height (m)
10:06PM
0.01
10:22AM
-0.06
11:00PM
0.03
10:49AM
-0.07
12:00AM
0.06
11:18AM
-0.07
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-----6:35-------6:35-------6:33--
Sunset6:40-------6:42-------6:42-------
cloud
part cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
Rain (mm)
------121-11-1-1221112415
Temp. °C242424242424242425242424242424252424242423242421
Feels °C (?)252627272625252426252526252624252525252524262523
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

FREE! Surf-Forecast.com widget for your website

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.


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