Surf Forecasts:
How big are the waves at Chuns Reef today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 1.5ft (0.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 5ft (1.5m), 6s period with ENE swell.
- Evening surf: Evening surf (16 Sep, local time) - 5.5ft (1.7m), 7s period with ENE swell.
The current surf forecast for Chuns Reef at 1PM is: 1.5m 6s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a East direction (forecast issued at 07:00am September 16). An open ocean swell of 0.5m 18s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 1.5ft (0.5m) | 10s |
| Afternoon (16 Sep) | 5ft (1.5m) | 6s |
| Evening (16 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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) | E 11 | ENE 6 | E 10 | ENE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 57 | 124 | 51 | 176 | 187 | 254 | 253 | 268 | 284 | 384 | 412 | 489 | 572 | 682 | 623 | 589 | 547 | 547 | 473 | 437 | 496 | 496 | 439 |
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 | 6:53AM0.45m | 5:27PM0.20m | 8:01AM0.43m | 6:15PM0.16m | 9:18AM0.43m | 9:34PM0.15m | |||||||||||||||||
Low Tide | 1:39PM0.19m | 10:36PM0.09m | 4:29PM0.16m | 11:24PM0.11m | 5:08PM0.14m | ||||||||||||||||||
 |  | | | | | |  | |  | |  | |  | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 27 | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 25 | 26 | 27 | 26 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 19 | SW 18 | E 10 | E 10 | E 10 | SSW 18 | E 10 | E 10 | E 10 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 171 | 155 | 51 | 72 | 72 | 207 | 98 | 96 | 96 | 127 | 125 | 125 | 125 | 171 | 175 | 202 | 204 | 121 | 202 | 197 | 193 | 184 | 179 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | SW 18 | SW 18 | SSW 18 | SW 11 | SW 18 | SW 17 | SW 16 | SW 11 | WSW 11 | SSW 20 | SSW 20 | SW 20 | SW 10 | NW 12 | WNW 11 | SW 14 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 |
| kJ | 57 | 54 | 152 | 152 | 207 | 19 | 150 | 145 | 132 | 19 | 11 | 37 | 37 | 15 | 4 | 5 | 12 | 52 | 4 | 4 | 4 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | WNW 10 | SW 11 | SW 11 | SW 11 | NW 10 | SSW 20 | NW 10 | WSW 10 | SW 8 | NW 12 | SW 10 | SW 10 | WNW 11 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 14 | 14 | 13 | 12 | 12 | 9 | 19 | 19 | 5 | 4 | 38 | 4 | 10 | 3 | 6 | 4 | 4 | 12 | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 7 |
| kJ | 111 | 124 | 149 | 176 | 187 | 254 | 253 | 268 | 284 | 384 | 412 | 489 | 572 | 682 | 623 | 589 | 547 | 547 | 473 | 437 | 496 | 496 | 439 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 21 | 23 | 21 | 21 | 19 | 19 | 21 | 21 | 21 | 1 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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