Surf Forecasts:
How big are the waves at Waimanalo today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.9m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
The current surf forecast for Waimanalo at 4AM is: 1.6m 7s primary swell from a East-northeast direction (forecast issued at 01:00am July 18). An open ocean swell of 0.3m 14s is not directed at the surf break, a second open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 6ft (1.8m) | 7s |
| Afternoon (18 Jul) | 6ft (1.9m) | 7s |
| Evening (18 Jul) | 6ft (1.9m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sat morning, min 24°C on Sat afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 207 | 268 | 308 | 317 | 394 | 414 | 426 | 406 | 394 | 301 | 301 | 302 | 310 | 264 | 284 | 229 | 223 | 237 | 226 | 220 | 249 | 242 | 236 | 197 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 5:36AM0.33m | 5:55PM0.57m | 7:07AM0.34m | 6:08PM0.51m | 9:13AM0.37m | 6:04PM0.45m | ||||||||||||||||||
Low Tide | 00:18AM0.13m | 10:57AM0.11m | 00:51AM0.11m | 11:40AM0.20m | 1:25AM0.09m | 12:37PM0.29m | ||||||||||||||||||
 | |  | | | | | | |  | | | | | | | | | | |  | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 21 | 21 | 22 | 22 | 23 | 24 | 24 | 22 | 23 | 23 | 25 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNE 8 | NNE 8 | SSW 12 | SSW 12 | NNE 8 | NNE 8 | SSW 12 | SSW 12 | NNE 8 | S 13 | NNE 8 | NNE 8 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 |
| kJ | 41 | 38 | 37 | 36 | 37 | 14 | 14 | 31 | 30 | 32 | 22 | 15 | 14 | 24 | 31 | 35 | 24 | 53 | 48 | 47 | 81 | 81 | 122 | 72 |
Swell 2 Height (m) Direction Period (s) | SW 10 | W 14 | NE 9 | S 9 | NNE 9 | SSW 14 | SSW 14 | NNE 9 | SE 9 | SSW 12 | SSW 12 | S 19 | S 19 | S 19 | S 18 | S 18 | S 18 | SSW 11 | S 12 | S 13 | SW 18 | SW 18 | E 13 | S 13 |
| kJ | 4 | 4 | 3 | 2 | 8 | 39 | 39 | 7 | 3 | 29 | 14 | 29 | 29 | 27 | 25 | 56 | 55 | 12 | 11 | 31 | 13 | 12 | 3 | 29 |
Swell 3 Height (m) Direction Period (s) | W 14 | S 9 | W 13 | NE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 21 | S 15 | S 19 | SE 8 | S 14 | SSW 12 | SW 20 | S 11 | S 11 | S 13 | SW 18 | SW 18 | E 14 | E 13 | SW 18 | E 13 |
| kJ | 4 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 8 | 4 | 30 | 3 | 4 | 15 | 15 | 10 | 10 | 3 | 13 | 13 | 4 | 3 | 12 | 13 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 207 | 268 | 308 | 317 | 394 | 414 | 426 | 406 | 394 | 301 | 301 | 302 | 310 | 264 | 284 | 229 | 223 | 237 | 226 | 220 | 249 | 242 | 236 | 197 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 45 | 50 | 50 | 50 | 50 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 55 | 44 | 15 | 17 | 15 | 15 | 44 | 50 | 44 | 18 | 15 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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