Surf Forecasts:
How big are the waves at Waialua Rivermouth today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 6.5ft (2.0m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 8ft (2.4m), 7s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 8ft (2.5m), 7s period with E swell.
The current surf forecast for Waialua Rivermouth at 10AM is: 2.1m 7s primary swell from a East direction and 0.7m 15s secondary swell from a East direction (forecast issued at 07:00am July 31). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 6.5ft (2.0m) | 7s |
| Afternoon (31 Jul) | 8ft (2.4m) | 7s |
| Evening (31 Jul) | 8ft (2.5m) | 7s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Fri morning, min 24°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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) | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | 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 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 422 | 446 | 496 | 532 | 627 | 757 | 920 | 971 | 930 | 954 | 990 | 970 | 939 | 1009 | 1001 | 889 | 908 | 801 | 804 | 745 | 682 | 627 | 574 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 4:04AM0.33m | 4:21PM0.68m | 4:51AM0.36m | 4:49PM0.63m | 5:44AM0.41m | 5:18PM0.56m | |||||||||||||||||
Low Tide | 9:35AM0.05m | 11:34PM0.06m | 10:20AM0.11m | 11:59PM0.05m | 11:14AM0.16m | ||||||||||||||||||
 |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 21 | 21 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 15 | E 15 | E 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 240 | 216 | 225 | 301 | 85 | 79 | 78 | 77 | 76 | 74 | 51 | 48 | 47 | 47 | 47 | 48 | 49 | 246 | 183 | 189 | 129 | 90 | 125 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 11 | N 11 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | SW 13 |
| kJ | 91 | 91 | 90 | 89 | 21 | 12 | 12 | 11 | 11 | 10 | 5 | 5 | 9 | 9 | 18 | 17 | 17 | 28 | 27 | 14 | 25 | 13 | 43 |
Swell 3 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 8 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | N 11 | N 8 | W 12 | W 12 | W 12 | W 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | N 8 |
| kJ | 25 | 25 | 24 | 22 | 15 | 14 | 14 | 14 | 14 | 11 | 3 | 2 | 5 | 3 | 3 | 3 | 13 | 51 | 51 | 47 | 44 | 44 | 13 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | 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 |
| kJ | 422 | 446 | 496 | 532 | 627 | 757 | 920 | 971 | 930 | 954 | 990 | 970 | 939 | 1009 | 1001 | 889 | 908 | 801 | 804 | 745 | 682 | 627 | 574 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 25 | 25 | 27 | 27 | 27 | 27 | 25 | 27 | 27 | 52 | 42 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 51 | 27 | 27 |
Best forecast wave conditions in Molokai | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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