Surf Forecasts:
How big are the waves at Waimanalo today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 5.5ft (1.7m), 8s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 6.5ft (2.0m), 8s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 8ft (2.4m), 8s period with E swell.
The current surf forecast for Waimanalo at 9PM is: 2.4m 8s primary swell from a East direction and 0.7m 15s secondary swell from a East direction, 0.3m 8s secondary swell from a North direction (forecast issued at 01:00pm July 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 5.5ft (1.7m) | 8s |
| Afternoon (31 Jul) | 6.5ft (2.0m) | 8s |
| Evening (31 Jul) | 8ft (2.4m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Fri afternoon, min 24°C on Mon morning). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the ENE by Mon morning). | |||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||
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) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | 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 | 323 | 403 | 504 | 588 | 718 | 756 | 868 | 825 | 902 | 850 | 804 | 824 | 889 | 908 | 801 | 801 | 740 | 642 | 650 | 634 | 604 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on |
High Tide | 4:27PM0.64m | 3:46AM0.36m | 4:44PM0.61m | 4:42AM0.37m | 4:58PM0.57m | ||||||||||||||||
Low Tide | 9:04AM-0.01m | 10:57PM0.16m | 9:37AM0.05m | 11:22PM0.13m | 10:12AM0.11m | ||||||||||||||||
 | | |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 23 | 21 | 22 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 15 | E 16 | E 15 | E 15 | E 15 | E 14 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 157 | 228 | 231 | 222 | 213 | 205 | 202 | 205 | 205 | 199 | 196 | 199 | 199 | 194 | 138 | 191 | 138 | 186 | 134 | 127 | 84 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | SSW 14 | N 8 | SSW 14 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 |
| kJ | 23 | 21 | 12 | 12 | 11 | 11 | 11 | 5 | 19 | 4 | 18 | 9 | 18 | 17 | 16 | 16 | 26 | 25 | 14 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 14 | N 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | S 13 | S 13 |
| kJ | 27 | 26 | 26 | 25 | 25 | 11 | 11 | 11 | 10 | 18 | 9 | 18 | 19 | 19 | 20 | 20 | 19 | 18 | 7 | 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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 323 | 403 | 504 | 588 | 718 | 756 | 868 | 825 | 902 | 850 | 804 | 824 | 889 | 908 | 801 | 801 | 740 | 642 | 650 | 634 | 604 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 50 | 56 | 61 | 50 | 117 | 61 | 56 | 57 | 146 | 120 | 116 | 50 | 118 | 118 | 50 | 118 | 118 | 118 | 330 | 56 | 50 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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