Surf Forecasts:
How big are the waves at Keaulanas today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2.5ft (0.8m), 15s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 13s period with S swell.
The current surf forecast for Keaulanas at 4AM is: 0.9m 15s primary swell from a South direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 01:00am July 21). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2.5ft (0.8m) | 15s |
| Afternoon (21 Jul) | 3ft (0.9m) | 14s |
| Evening (21 Jul) | 3ft (0.9m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue morning, min 24°C on Tue night). Winds increasing (light winds from the E on Tue morning, fresh winds from the ENE by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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) | S 13 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 163 | 339 | 267 | 329 | 325 | 302 | 289 | 281 | 277 | 273 | 322 | 437 | 433 | 426 | 517 | 489 | 480 | 471 | 483 | 528 | 512 | 395 | 708 | 679 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 10:58AM0.52m | 12:00PM0.57m | 12:51PM0.61m | |||||||||||||||||||||
Low Tide | 2:50AM0.11m | 3:27AM0.11m | 4:14AM0.11m | |||||||||||||||||||||
 | |  | |  | | |  | | |  | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 24 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 26 | 26 | 26 | 29 | 29 | 28 | 27 | 26 | 27 | 26 | 25 | 25 | 26 | 24 | 23 | 25 | 24 | 23 | 24 | 23 | 24 | 23 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | NE 7 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 11 | SSW 23 | S 13 | S 13 | S 13 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
| kJ | 54 | 339 | 267 | 329 | 325 | 302 | 289 | 281 | 277 | 273 | 268 | 277 | 82 | 426 | 212 | 209 | 206 | 471 | 483 | 528 | 512 | 395 | 708 | 679 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 16 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | S 13 | S 13 | SSW 22 | SSW 22 | NE 6 | S 13 | S 12 | S 12 | S 13 | S 11 | S 13 | S 11 |
| kJ | 163 | 105 | 54 | 54 | 54 | 46 | 47 | 54 | 44 | 45 | 47 | 54 | 126 | 125 | 517 | 489 | 34 | 155 | 150 | 137 | 158 | 125 | 280 | 83 |
Swell 3 Height (m) Direction Period (s) | S 15 | W 11 | SSW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 26 | SSW 26 | SSW 24 | SSW 24 | SSW 24 | S 10 | SSW 18 | SSW 18 | SSW 22 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | NNW 10 | S 13 |
| kJ | 163 | 9 | 108 | 73 | 71 | 103 | 97 | 93 | 224 | 217 | 322 | 437 | 433 | 78 | 120 | 204 | 480 | 127 | 99 | 100 | 125 | 173 | 18 | 87 |
Wind waves Height (m) Direction Period (s) | — | NE 7 | — | — | — | — | — | — | — | — | E 7 | E 7 | NE 7 | NE 7 | NE 7 | NE 6 | E 12 | NE 6 | ENE 7 | ENE 7 | ENE 7 | NE 6 | NE 6 | NE 6 |
| kJ | — | 54 | — | — | — | — | — | — | — | — | 94 | 111 | 63 | 61 | 61 | 42 | 404 | 45 | 93 | 129 | 107 | 91 | 75 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 5 | 5 | 2 | 5 | 9 | 9 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Keaulanas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest