Surf Forecasts:
How big are the waves at Chuns Reef today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.3m), 7s period with ENE swell.
The current surf forecast for Chuns Reef at 2PM is: 1.4m 7s primary swell from a East-northeast direction and 0.3m 12s secondary swell from a East direction, 0.3m 15s secondary swell from a East direction (forecast issued at 07:00am July 21). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 4.5ft (1.3m) | 7s |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 7s |
| Evening (21 Jul) | 4.5ft (1.3m) | 7s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 24°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 12 | E 12 | E 12 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 181 | 158 | 158 | 191 | 168 | 158 | 162 | 178 | 173 | 192 | 239 | 232 | 181 | 153 | 142 | 137 | 230 | 320 | 330 | 261 | 298 | 307 | 374 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 10:05AM0.41m | 7:43PM0.23m | 11:05AM0.44m | 8:47PM0.18m | 11:56AM0.47m | 10:35PM0.16m | |||||||||||||||||
Low Tide | 4:05PM0.22m | 1:52AM0.04m | 6:18PM0.18m | 2:37AM0.04m | 7:04PM0.14m | ||||||||||||||||||
 |  | | | | |  | | |  | | | | | | | | | | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 |
Feels °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | E 12 | E 12 | E 11 | E 14 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SW 17 | SW 16 | SSW 20 | E 11 | SSW 20 | SSW 19 | SW 17 |
| kJ | 42 | 69 | 25 | 24 | 23 | 60 | 87 | 123 | 116 | 105 | 103 | 138 | 132 | 132 | 137 | 137 | 70 | 41 | 77 | 125 | 75 | 74 | 76 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 16 | E 15 | E 15 | E 15 | E 11 | E 11 | SW 15 | SSW 15 | SW 15 | SW 16 | SW 17 | SSW 23 | SSW 22 | SSW 22 | SW 17 | SSW 21 | SSW 21 | SSW 16 | SSW 20 | SSW 16 | NNW 9 | SSW 20 |
| kJ | 12 | 19 | 40 | 38 | 38 | 22 | 21 | 59 | 45 | 60 | 62 | 77 | 53 | 98 | 92 | 77 | 90 | 44 | 25 | 75 | 25 | 17 | 37 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | E 12 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | S 14 | SSW 26 | SSW 24 | SSW 24 | SSW 24 | SSW 17 | SSW 18 | SSW 18 | SSW 22 | NNW 10 | NNW 10 | NNW 10 | SSW 16 | NNW 10 | SW 16 | NNW 9 |
| kJ | 11 | 11 | 27 | 27 | 26 | 24 | 23 | 15 | 64 | 56 | 55 | 54 | 30 | 30 | 30 | 91 | 11 | 10 | 9 | 25 | 18 | 41 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 181 | 158 | 158 | 191 | 168 | 158 | 162 | 178 | 173 | 192 | 239 | 232 | 181 | 153 | 142 | 135 | 230 | 320 | 330 | 261 | 298 | 307 | 374 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 5 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 19 | 19 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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