Surf Forecasts:
How big are the waves at Waialua Rivermouth today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.5m), 7s period with ENE swell.
- Evening surf: Evening surf (21 Jul, local time) - 5ft (1.5m), 7s period with E swell.
The current surf forecast for Waialua Rivermouth at 12AM is: 1.6m 7s primary swell from a East-northeast direction (forecast issued at 07:00pm July 20). An open ocean swell of 0.2m 14s is not directed at the surf break, a second open ocean swell of 0.2m 17s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 4.5ft (1.4m) | 7s |
| Afternoon (21 Jul) | 5ft (1.5m) | 7s |
| Evening (21 Jul) | 5ft (1.5m) | 7s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 26°C on Tue afternoon, min 24°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||
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 | E 7 | E 7 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 11 | ENE 12 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 208 | 225 | 233 | 200 | 200 | 181 | 198 | 198 | 198 | 218 | 212 | 284 | 253 | 256 | 170 | 126 | 540 | 579 | 209 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | 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-on | cross-on |
High Tide | 7:09PM0.40m | 10:04AM0.54m | 7:42PM0.32m | 11:04AM0.59m | 8:46PM0.26m | ||||||||||||||
Low Tide | 2:54PM0.28m | 2:30AM0.04m | 5:22PM0.28m | 3:09AM0.05m | 7:35PM0.23m | ||||||||||||||
 |  | | |  |  | | | | |  | | | |  | | | | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | 1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 14 | SW 16 | SSW 14 | E 12 | E 12 | E 11 | E 14 | E 13 | E 13 | SSW 12 | E 12 | SW 15 | E 12 | E 11 | SW 23 | SW 22 | SW 22 |
| kJ | 13 | 11 | 18 | 43 | 38 | 25 | 24 | 39 | 59 | 85 | 121 | 14 | 103 | 59 | 132 | 121 | 138 | 128 | 119 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 17 | E 12 | E 12 | SSW 13 | E 15 | E 14 | E 11 | E 11 | SSW 12 | SW 15 | SSW 12 | SSW 24 | SSW 24 | SSW 24 | SSW 11 | S 11 | SW 18 |
| kJ | 50 | 30 | 29 | 12 | 25 | 35 | 38 | 37 | 22 | 21 | 28 | 36 | 14 | 56 | 109 | 54 | 11 | 9 | 48 |
Swell 3 Height (m) Direction Period (s) | S 16 | SSW 16 | SSW 11 | SSW 14 | SW 16 | E 15 | SSW 13 | SSW 11 | SSW 12 | SSW 12 | SW 15 | SSW 26 | SW 15 | S 13 | SW 15 | SSW 11 | SSW 14 | SSW 18 | S 11 |
| kJ | 21 | 25 | 11 | 18 | 42 | 39 | 16 | 12 | 14 | 14 | 37 | 66 | 36 | 4 | 37 | 11 | 19 | 30 | 9 |
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 | E 7 | E 7 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 11 | ENE 12 | ENE 6 |
| kJ | 208 | 225 | 233 | 200 | 200 | 181 | 198 | 198 | 198 | 218 | 212 | 284 | 253 | 256 | 170 | 126 | 540 | 579 | 209 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 17 | 23 | 17 | 23 | 23 | 25 | 25 | 27 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 27 |
Best forecast wave conditions in Molokai | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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