Surf Forecasts:
How big are the waves at Waimanalo today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 5.5ft (1.7m), 7s period with ENE swell.
- Evening surf: Evening surf (30 Aug, local time) - 6ft (1.8m), 7s period with ENE swell.
The current surf forecast for Waimanalo at 4AM is: 1.9m 7s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a East direction (forecast issued at 01:00am August 30). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 6ft (1.8m) | 7s |
| Afternoon (30 Aug) | 5.5ft (1.7m) | 7s |
| Evening (30 Aug) | 6ft (1.8m) | 7s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||||||
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 | 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) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 417 | 379 | 344 | 334 | 334 | 301 | 299 | 299 | 270 | 330 | 400 | 423 | 447 | 419 | 419 | 408 | 419 | 372 | 372 | 382 | 392 | 402 | 483 | 514 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 3:52AM0.48m | 3:45PM0.56m | 4:44AM0.51m | 3:57PM0.51m | 5:44AM0.52m | 4:04PM0.47m | ||||||||||||||||||
Low Tide | 9:33AM0.13m | 10:17PM0.05m | 10:16AM0.20m | 10:46PM0.03m | 11:06AM0.27m | |||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 | 22 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 18 |
| kJ | 75 | 72 | 71 | 43 | 41 | 40 | 40 | 39 | 37 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 74 | 73 | 68 | 107 | 63 | 107 | 107 | 98 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 19 | S 19 | S 10 | S 10 | S 10 | S 9 | S 9 | S 12 | S 12 | S 12 |
| kJ | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 22 | 22 | 22 | 22 | 21 | 21 | 73 | 30 | 18 | 17 | 16 | 7 | 7 | 11 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | S 19 | S 19 | S 21 | S 21 | S 19 | SW 14 | SSW 14 | SSW 13 | SW 14 | SW 14 | SW 14 | S 12 | E 15 | E 15 | E 15 |
| kJ | 28 | 28 | 26 | 26 | 25 | 25 | 23 | 23 | 22 | 7 | 7 | 8 | 8 | 29 | 7 | 18 | 18 | 7 | 8 | 8 | 3 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 417 | 379 | 344 | 334 | 334 | 301 | 299 | 299 | 270 | 330 | 400 | 423 | 447 | 419 | 419 | 408 | 419 | 372 | 372 | 382 | 392 | 402 | 483 | 514 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 52 | 44 | 45 | 50 | 56 | 52 | 46 | 44 | 44 | 44 | 50 | 50 | 50 | 50 | 50 | 44 | 44 | 44 | 44 | 44 | 116 | 116 | 46 | 44 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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