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Surf Forecasts:
China Walls surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Thursday 30 Apr 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
25.2° C
(Which is slightly warmer than usual)How big are the waves at China Walls today?
The current surf forecast for China Walls at 1PM is: 0.3m 16s primary swell from a South direction (forecast issued at 07:00am April 30). An open ocean swell of 0.6m 12s is not directed at the surf break, a second open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 0.5ft (0.2m) | 12s |
| Afternoon (30 Apr) | 1.5ft (0.4m) | 16s |
| Evening (30 Apr) | 1.5ft (0.4m) | 16s |
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 Thu morning, min 23°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | S 16 | S 16 | S 16 | S 16 | SSW 16 | SSW 15 | S 15 | SSW 15 | S 15 | SSW 15 | S 16 | S 16 | SSW 16 | S 13 | S 15 | S 14 | S 14 | SSW 18 | SSW 18 | S 14 | S 15 | SSW 16 | |
15 | 15 | 47 | 82 | 81 | 82 | 51 | 78 | 69 | 71 | 110 | 71 | 129 | 131 | 87 | 56 | 121 | 146 | 106 | 106 | 106 | 107 | 161 | 263 | |
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 | 2:50PM0.59m | 2:18AM0.24m | 3:22PM0.60m | 2:50AM0.20m | 3:54PM0.60m | |||||||||||||||||||
Low Tide | 7:56AM-0.07m | 9:52PM0.07m | 8:18AM-0.07m | 10:37PM0.07m | 8:41AM-0.06m | 11:24PM0.06m | ||||||||||||||||||
 |  | | | | | | | | | | | | | |  | |  | | | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | 5:58 |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | 6:55 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
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 |
19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 16 | S 15 | S 14 | NW 15 | NW 14 | NNW 14 | NW 13 | S 15 | SSW 16 |
 kJ | 59 | 73 | 96 | 94 | 99 | 96 | 98 | 96 | 92 | 85 | 82 | 81 | 79 | 53 | 52 | 133 | 121 | 146 | 174 | 167 | 133 | 88 | 161 | 263 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | S 16 | S 16 | S 16 | S 16 | SSW 16 | SSW 15 | S 15 | SSW 15 | S 15 | SSW 15 | S 16 | S 16 | NW 16 | NNW 12 | NW 15 | NW 15 | S 14 | S 14 | S 14 | S 14 | NW 13 | NW 13 |
| kJ | 15 | 15 | 47 | 82 | 81 | 82 | 51 | 78 | 69 | 71 | 110 | 71 | 129 | 131 | 94 | 56 | 80 | 109 | 106 | 106 | 106 | 107 | 85 | 84 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NNW 7 | SSW 12 | SSW 11 | S 18 | SSW 18 | SSW 17 | NW 18 | NW 16 | SSW 16 | S 13 | NNW 12 | NW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SW 16 | SSE 9 |
| kJ | 12 | 12 | 15 | 28 | 28 | 28 | 10 | 13 | 12 | 54 | 61 | 57 | 50 | 43 | 87 | 56 | 56 | 35 | 61 | 103 | 103 | 31 | 10 | 7 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | 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 | 260 | 286 | 295 | 265 | 265 | 286 | 349 | 395 | 419 | 472 | 498 | 428 | 336 | 336 | 411 | 411 | 368 | 368 | 368 | 296 | 283 | 291 | 264 | 270 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 45 | 51 | 51 | 114 | 54 | 46 | 54 | 54 | 54 | 54 | 60 | 51 | 51 | 45 | 43 | 43 | 44 | 45 | 45 | 51 | 51 | 43 | 43 | 43 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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