Surf Forecasts:
How big are the waves at Ehukai/Gums today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 0.5ft (0.1m), 11s period with N swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 0.5ft (0.2m), 11s period with N swell.
- Evening surf: Evening surf (20 Sep, local time) - 0.5ft (0.2m), 11s period with N swell.
The current surf forecast for Ehukai/Gums at 4AM is: 0.1m 10s primary swell from a Northwest direction and 0.1m 12s secondary swell from a North direction (forecast issued at 07:00pm September 19). An open ocean swell of 0.4m 16s is not directed at the surf break, a second open ocean swell of 2.0m 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) | 0.5ft (0.1m) | 11s |
| Afternoon (20 Sep) | 0.5ft (0.2m) | 11s |
| Evening (20 Sep) | 0.5ft (0.2m) | 11s |
Table - waves today at Ehukai/Gums. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun morning, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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) | W 9 | NW 10 | SW 16 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | W 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1 | 4 | 121 | 4 | 3 | 3 | 10 | 10 | 9 | 9 | 9 | 8 | 11 | 29 | 32 | 31 | 30 | 29 | 36 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | 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 | 11:59AM0.65m | 11:14PM0.30m | 12:26PM0.67m | ||||||||||||||||
Low Tide | 2:58AM0.22m | 8:12PM0.28m | 4:29AM0.20m | 7:47PM0.27m | |||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 164 | 166 | 121 | 95 | 94 | 86 | 86 | 85 | 84 | 85 | 84 | 53 | 50 | 29 | 32 | 31 | 30 | 29 | 29 |
Swell 2 Height (m) Direction Period (s) | S 18 | NW 10 | NW 10 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | S 15 | N 10 | SSW 14 | S 14 | S 14 | S 13 | S 13 | N 14 |
| kJ | 6 | 4 | 4 | 3 | 3 | 2 | 10 | 10 | 9 | 9 | 9 | 17 | 8 | 41 | 35 | 15 | 14 | 14 | 36 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 8 | N 12 | NW 10 | NW 9 | NW 9 | W 13 | NW 9 | NW 9 | NW 9 | W 12 | N 10 | W 12 | N 10 | W 11 | W 11 | NNW 10 | NNW 12 | S 13 |
| kJ | 1 | 1 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 8 | 11 | 8 | 10 | 9 | 9 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 535 | 579 | 619 | 551 | 513 | 476 | 476 | 513 | 509 | 461 | 471 | 447 | 471 | 438 | 406 | 383 | 402 | 412 | 412 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 22 | 22 | 3 | 24 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 26 | 22 | 22 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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