Surf Forecasts:
How big are the waves at Waialua Rivermouth today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 5.5ft (1.7m), 7s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 5ft (1.5m), 7s period with ENE swell.
The current surf forecast for Waialua Rivermouth at 9PM is: 1.5m 7s primary swell from a East-northeast direction and 0.3m 9s secondary swell from a East direction (forecast issued at 01:00pm August 17). An open ocean swell of 0.3m 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 (17 Aug) | 6ft (1.8m) | 7s |
| Afternoon (17 Aug) | 5.5ft (1.7m) | 7s |
| Evening (17 Aug) | 5ft (1.5m) | 7s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 | E 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 355 | 310 | 276 | 222 | 222 | 222 | 212 | 160 | 214 | 157 | 169 | 178 | 229 | 240 | 210 | 171 | 108 | 107 | 108 | 163 | 104 |
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 | cross | cross | cross | cross | cross |
High Tide | 5:44PM0.41m | 7:52AM0.55m | 6:06PM0.34m | 9:04AM0.56m | |||||||||||||||||
Low Tide | 1:05PM0.25m | 00:36AM0.07m | 2:56PM0.27m | 1:11AM0.09m | |||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | E 9 | SSW 14 | S 13 | S 13 | SW 17 | NE 8 | SW 18 | SW 18 | W 13 | NNE 7 | NNE 7 | NNE 7 | E 8 | E 8 | E 8 | E 8 | NE 6 |
| kJ | 21 | 21 | 41 | 41 | 15 | 37 | 14 | 14 | 44 | 10 | 49 | 49 | 13 | 10 | 9 | 15 | 108 | 107 | 108 | 104 | 39 |
Swell 2 Height (m) Direction Period (s) | S 12 | WNW 12 | W 11 | E 9 | SSW 14 | WSW 6 | WSW 6 | SW 16 | S 13 | SW 17 | SSW 13 | W 13 | SSW 18 | W 12 | NE 7 | SW 16 | NE 6 | NE 6 | SW 16 | NE 6 | SW 16 |
| kJ | 11 | 14 | 9 | 15 | 40 | 4 | 4 | 42 | 13 | 47 | 17 | 13 | 31 | 12 | 8 | 41 | 42 | 40 | 42 | 39 | 41 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | S 12 | WSW 6 | W 11 | WNW 11 | WNW 11 | W 11 | WSW 6 | WSW 6 | S 13 | W 13 | SSW 13 | WSW 6 | WSW 6 | WNW 12 | W 12 | SW 16 | SW 16 | W 12 | SW 16 | W 11 |
| kJ | 4 | 11 | 4 | 9 | 12 | 12 | 10 | 4 | 4 | 13 | 14 | 17 | 4 | 4 | 28 | 11 | 40 | 41 | 11 | 40 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | — | — | NE 6 | ENE 8 | E 8 |
| kJ | 355 | 310 | 276 | 222 | 222 | 222 | 212 | 160 | 214 | 157 | 169 | 178 | 229 | 240 | 210 | 171 | — | — | 39 | 163 | 104 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 25 | 23 | 23 | 23 | 23 | 25 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 14 | 17 | 17 | 19 | 15 | 15 |
Best forecast wave conditions in Molokai | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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