Surf Forecasts:
How big are the waves at Chuns Reef today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 14s period with E swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 5ft (1.5m), 7s period with E swell.
- Evening surf: Evening surf (30 Sep, local time) - 4ft (1.2m), 8s period with E swell.
The current surf forecast for Chuns Reef at 2AM is: 1.5m 8s primary swell from a East direction and 0.8m 12s secondary swell from a East direction (forecast issued at 07:00pm September 29). An open ocean swell of 0.7m 12s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (30 Sep) | 5ft (1.5m) | 7s |
| Evening (30 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed afternoon. Warm (max 28°C on Wed afternoon, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||
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) | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 14 | E 14 | E 8 | E 8 | E 8 | E 8 | E 14 | E 8 | E 6 | E 13 | E 6 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 377 | 323 | 280 | 277 | 233 | 253 | 253 | 249 | 187 | 164 | 169 | 142 | 653 | 186 | 148 | 84 | 109 | 141 | 146 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off |
High Tide | 4:18PM0.25m | 5:46AM0.54m | 4:58PM0.20m | 6:50AM0.53m | 5:59PM0.16m | ||||||||||||||
Low Tide | 9:11PM0.01m | 12:05PM0.15m | 9:48PM0.02m | 1:57PM0.14m | 10:37PM0.05m | ||||||||||||||
 |  | | |  | |  |  | |  | | | |  | | | |  | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | 1 | — | 1 | 1 | 1 | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 27 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 10 | E 14 | E 14 | E 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | W 8 | W 8 | E 8 | W 8 | W 8 | W 8 |
| kJ | 127 | 239 | 232 | 196 | 233 | 201 | 198 | 193 | 187 | 164 | 169 | 142 | 653 | 49 | 50 | 43 | 35 | 35 | 36 |
Swell 2 Height (m) Direction Period (s) | E 14 | SW 10 | SW 10 | WSW 12 | WSW 11 | WSW 10 | W 10 | W 10 | WSW 10 | W 9 | WSW 9 | WSW 9 | W 8 | E 13 | E 13 | W 8 | E 13 | NNW 10 | NNW 10 |
| kJ | 129 | 100 | 73 | 147 | 210 | 180 | 196 | 218 | 163 | 109 | 106 | 79 | 50 | 84 | 84 | 51 | 83 | 37 | 55 |
Swell 3 Height (m) Direction Period (s) | NNW 12 | NNW 11 | NNW 11 | SW 9 | E 12 | E 14 | E 14 | E 14 | E 13 | E 11 | E 14 | E 14 | SW 14 | SW 14 | NW 10 | E 13 | NNW 10 | E 12 | E 12 |
| kJ | 90 | 82 | 79 | 39 | 196 | 253 | 253 | 249 | 162 | 56 | 140 | 142 | 51 | 52 | 26 | 84 | 35 | 48 | 45 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | S 6 | S 6 | S 6 | E 7 | E 7 | ESE 8 | SSE 6 | SSE 6 | — | E 8 | E 6 | E 6 | E 6 | E 8 | E 8 |
| kJ | 377 | 323 | 280 | 277 | 6 | 1 | 1 | 239 | 251 | 226 | 3 | 3 | — | 186 | 148 | 102 | 109 | 141 | 146 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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