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Surf Forecasts:
Rockpiles surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Friday 22 May 2026 HSTForecast 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
25.7° C
(Which is normal for this time of year)How big are the waves at Rockpiles today?
The current surf forecast for Rockpiles at 2PM is: 2.5m 8s primary swell from a East-northeast direction and 0.4m 14s secondary swell from a South-southwest direction, 0.4m 18s secondary swell from a South direction (forecast issued at 07:00am May 22). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 8ft (2.5m) | 9s |
| Afternoon (22 May) | 8ft (2.5m) | 8s |
| Evening (22 May) | 8ft (2.5m) | 8s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 23°C on Fri morning). Mainly strong winds. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
1000 | 953 | 885 | 844 | 829 | 919 | 984 | 984 | 956 | 984 | 1081 | 1064 | 964 | 857 | 857 | 897 | 817 | 731 | 675 | 798 | 741 | 713 | 643 | 740 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-off | cross-off | cross-off | |
High Tide | 10:30AM0.18m | 9:37PM0.51m | 11:42AM0.26m | 10:30PM0.44m | 12:35PM0.34m | 11:20PM0.37m | ||||||||||||||||||
Low Tide | 4:33AM-0.04m | 2:25PM0.11m | 5:12AM-0.05m | 4:11PM0.16m | 5:45AM-0.05m | 5:51PM0.17m | ||||||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 |
18 | 18 | 19 | 19 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 19 | 18 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 15 | SSW 15 | S 14 | SSW 14 | SSW 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 |
 kJ | 110 | 72 | 106 | 66 | 62 | 93 | 140 | 130 | 129 | 127 | 125 | 174 | 159 | 157 | 109 | 155 | 146 | 132 | 93 | 92 | 93 | 89 | 142 | 99 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 16 | NNW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 |
| kJ | 30 | 29 | 57 | 98 | 98 | 97 | 60 | 60 | 59 | 58 | 34 | 25 | 44 | 54 | 52 | 46 | 44 | 43 | 39 | 37 | 37 | 36 | 21 | 20 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | S 19 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | NNW 10 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 18 | SE 11 | SE 11 | SE 11 | S 16 | S 16 | S 16 | S 16 | — | SW 20 |
| kJ | 14 | 63 | 29 | 29 | 14 | 14 | 14 | 14 | 14 | 11 | 14 | 14 | 14 | 13 | 24 | 5 | 5 | 5 | 46 | 46 | 46 | 46 | — | 16 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 1000 | 953 | 885 | 844 | 829 | 919 | 984 | 984 | 956 | 984 | 1081 | 1064 | 964 | 857 | 857 | 897 | 817 | 731 | 675 | 798 | 741 | 713 | 643 | 740 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 44 | 157 | 130 | 200 | 200 | 127 | 127 | 127 | 156 | 209 | 200 | 200 | 130 | 127 | 44 | 39 | 32 | 127 | 127 | 127 | 45 | 47 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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