Surf Forecasts:
How big are the waves at Turtles Reef today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
The current surf forecast for Turtles Reef at 8PM is: 0.9m 15s primary swell from a South-southwest direction and 0.5m 15s secondary swell from a Southwest direction (forecast issued at 01:00pm September 20). An open ocean swell of 1.6m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2.5ft (0.8m) | 16s |
| Afternoon (20 Sep) | 3ft (0.9m) | 15s |
| Evening (20 Sep) | 3ft (0.9m) | 15s |
Table - waves today at Turtles Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||
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) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 320 | 375 | 375 | 380 | 468 | 346 | 411 | 405 | 331 | 313 | 304 | 295 | 222 | 229 | 229 | 225 | 222 | 202 | 146 | 144 | 141 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 12:17PM0.58m | 00:48AM0.25m | 12:57PM0.60m | 1:23AM0.29m | 1:30PM0.62m | ||||||||||||||||
Low Tide | 8:11PM0.16m | 5:19AM0.17m | 8:19PM0.15m | 6:22AM0.15m | 8:31PM0.13m | ||||||||||||||||
 | | |  |  | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 29 | 28 | 26 | 26 |
Feels °C | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 24 | 26 | 27 | 25 | 26 | 27 | 27 | 27 | 27 | 29 | 29 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | E 8 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | S 14 | E 8 | E 8 | E 8 | SSW 13 | S 13 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 320 | 314 | 375 | 380 | 468 | 346 | 411 | 405 | 287 | 270 | 283 | 295 | 222 | 234 | 190 | 228 | 195 | 200 | 200 | 200 | 205 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | W 11 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | NNW 11 | NNW 11 | NNW 11 |
| kJ | 146 | 375 | 104 | 104 | 54 | 33 | 33 | 33 | 331 | 313 | 304 | 10 | 52 | 229 | 229 | 225 | 222 | 202 | 173 | 161 | 158 |
Swell 3 Height (m) Direction Period (s) | NNE 6 | SW 15 | N 6 | N 6 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | SW 14 | SW 14 | W 11 | NNW 10 | W 11 | N 14 | N 13 | N 12 | NNW 12 | NNW 12 | S 12 | S 12 | S 12 |
| kJ | 12 | 104 | 6 | 10 | 11 | 11 | 11 | 10 | 51 | 51 | 9 | 9 | 10 | 33 | 87 | 112 | 150 | 147 | 146 | 144 | 141 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | ENE 8 | ENE 8 | — | NNE 5 | — | — | — | — | — | — |
| kJ | 289 | 401 | 305 | 321 | 387 | 378 | 337 | 302 | — | — | — | 284 | 277 | — | 8 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 13 | 13 | 9 | 9 | 13 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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