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China Walls surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Friday 22 May 2026 HSTForecast update in hr min s Forecast update imminent
China Walls surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's China Walls sea temperature is
25.7° C
(Which is normal for this time of year)How big are the waves at China Walls today?
The current surf forecast for China Walls at 10AM is: 0.5m 14s primary swell from a South direction and 0.3m 18s secondary swell from a South direction (forecast issued at 01:00am May 22). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 1.5ft (0.5m) | 15s |
| Afternoon (22 May) | 1.5ft (0.4m) | 18s |
| Evening (22 May) | 1.5ft (0.4m) | 18s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 23°C on Fri morning). Mainly strong winds. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 15 | S 15 | SSW 15 | S 14 | S 18 | S 18 | S 18 | 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 | |
110 | 110 | 72 | 106 | 101 | 98 | 97 | 138 | 130 | 129 | 127 | 125 | 174 | 159 | 157 | 109 | 155 | 146 | 132 | 93 | 92 | 93 | 89 | 140 | |
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 | 9:11AM0.19m | 8:35PM0.54m | 10:30AM0.27m | 9:29PM0.47m | 11:28AM0.37m | 10:19PM0.40m | ||||||||||||||||||
Low Tide | 3:41AM-0.00m | 1:31PM0.12m | 4:22AM-0.01m | 3:15PM0.17m | 4:56AM-0.02m | 4:58PM0.19m | ||||||||||||||||||
 | |  | | |  |  | | | | |  | | | | | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
17 | 17 | 17 | 18 | 17 | 17 | 18 | 17 | 18 | 17 | 17 | 16 | 17 | 17 | 18 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | SSW 15 | S 14 | S 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 |
 kJ | 110 | 110 | 72 | 106 | 101 | 62 | 93 | 138 | 130 | 129 | 127 | 125 | 174 | 159 | 157 | 109 | 155 | 146 | 132 | 93 | 92 | 93 | 89 | 140 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | 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 |
| kJ | 32 | 30 | 29 | 57 | 98 | 98 | 97 | 60 | 60 | 59 | 58 | 34 | 25 | 44 | 54 | 52 | 46 | 44 | 43 | 39 | 37 | 37 | 36 | 21 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSW 12 | S 19 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 18 | SSE 11 | SE 11 | SE 11 | S 16 | S 16 | S 16 | S 16 | — |
| kJ | 11 | 14 | 63 | 29 | 29 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 24 | 12 | 5 | 5 | 46 | 46 | 46 | 46 | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | 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 | 1123 | 1000 | 953 | 864 | 844 | 850 | 926 | 1051 | 1051 | 979 | 891 | 1014 | 1064 | 931 | 878 | 878 | 919 | 741 | 675 | 759 | 798 | 798 | 713 | 733 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 114 | 56 | 56 | 143 | 143 | 213 | 143 | 114 | 114 | 114 | 144 | 222 | 117 | 116 | 116 | 114 | 56 | 60 | 51 | 116 | 135 | 114 | 54 | 51 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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