Surf Forecasts:
How big are the waves at Ehukai/Gums today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NNE swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 7s period with NNE swell.
The current surf forecast for Ehukai/Gums at 11AM is: 0.8m 7s primary swell from a North-northeast direction (forecast issued at 07:00am August 21). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 17s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 7s |
| Evening (21 Aug) | 2.5ft (0.7m) | 7s |
Table - waves today at Ehukai/Gums. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the ENE by Sat night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | SW 16 | SW 17 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SW 16 | SW 16 | SW 16 | WNW 10 | WNW 10 | W 10 | NW 14 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 12 | NW 11 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 133 | 135 | 59 | 53 | 41 | 41 | 124 | 124 | 122 | 34 | 34 | 52 | 61 | 71 | 89 | 164 | 150 | 140 | 128 | 135 | 130 | 126 | 126 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-off | cross-off | cross-off | off | off | off | 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 |
High Tide | 12:16PM0.64m | 12:49PM0.67m | 1:16PM0.70m | ||||||||||||||||||||
Low Tide | 2:10AM0.18m | 3:50AM0.17m | 5:00AM0.14m | 9:01PM0.30m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 26 | 25 | 26 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 29 | 31 | 32 | 31 | 31 | 29 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 24 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | NNE 7 | NNE 7 | E 8 | NNE 7 | NNE 7 | SW 16 | SW 16 | SW 16 | SSW 16 | WNW 10 | W 10 | W 11 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 12 | NW 11 | NW 11 | NW 11 |
| kJ | 69 | 56 | 59 | 72 | 41 | 41 | 124 | 124 | 122 | 98 | 34 | 52 | 61 | 69 | 89 | 164 | 150 | 140 | 128 | 135 | 130 | 126 | 126 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | ENE 7 | ENE 7 | NNE 7 | SW 16 | SSW 16 | W 10 | W 10 | WNW 10 | WNW 10 | SSW 16 | SSW 16 | SSW 16 | SW 16 | W 11 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 45 | 36 | 38 | 53 | 64 | 98 | 34 | 31 | 33 | 34 | 98 | 97 | 95 | 62 | 58 | 60 | 59 | 57 | 57 | 56 | 54 | 54 | 53 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 17 | W 11 | W 10 | W 10 | W 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | NW 14 | WNW 14 | SW 16 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 8 |
| kJ | 133 | 135 | 36 | 33 | 31 | 31 | 8 | 10 | 10 | 10 | 10 | 9 | 50 | 71 | 61 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 7 | E 7 | ENE 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 |
| kJ | — | — | — | — | 68 | 103 | 168 | 194 | 190 | 202 | 236 | 274 | 324 | 333 | 351 | 399 | 399 | 399 | 388 | 315 | 293 | 239 | 232 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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