Surf Forecasts:
How big are the waves at Number Fours today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 6.5ft (2.0m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 6ft (1.8m), 8s period with ENE swell.
The current surf forecast for Number Fours at 6AM is: 1.6m 7s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a South direction (forecast issued at 01:00am July 18). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 6ft (1.8m) | 7s |
| Afternoon (18 Jul) | 6.5ft (2.0m) | 7s |
| Evening (18 Jul) | 6ft (1.8m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Winds decreasing (strong winds from the ENE on Sat afternoon, light winds from the ENE by Mon night). | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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) | SSW 14 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 16 | S 16 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 147 | 200 | 293 | 360 | 432 | 385 | 356 | 375 | 353 | 341 | 333 | 333 | 266 | 238 | 277 | 266 | 257 | 187 | 196 | 191 | 325 | 321 | 249 | 203 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:44AM0.34m | 7:11PM0.52m | 8:53AM0.38m | 7:45PM0.43m | 10:04AM0.43m | 8:19PM0.34m | ||||||||||||||||||
Low Tide | 1:42AM0.01m | 12:46PM0.16m | 2:15AM0.02m | 2:03PM0.22m | 2:48AM0.03m | 3:52PM0.27m | ||||||||||||||||||
 | |  | | | | | | |  | | | | | | | | | | |  | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 22 | 21 | 22 | 23 | 24 | 22 | 23 | 24 | 23 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 7 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | S 12 | S 12 | S 12 | SSW 13 | SSW 13 | SSW 13 | S 13 | SSW 12 | SSW 12 | S 17 | S 16 | S 14 | S 16 | S 16 | S 16 | S 15 |
| kJ | 99 | 146 | 152 | 141 | 141 | 158 | 158 | 66 | 112 | 75 | 75 | 93 | 96 | 95 | 85 | 75 | 45 | 151 | 195 | 142 | 325 | 321 | 177 | 163 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SSW 12 | W 12 | W 12 | NNE 8 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | SSW 11 | SSW 12 | S 16 | SW 18 | SW 18 | S 13 | S 13 |
| kJ | 147 | 87 | 57 | 57 | 57 | 56 | 56 | 47 | 28 | 26 | 11 | 66 | 114 | 106 | 101 | 155 | 97 | 49 | 45 | 135 | 82 | 81 | 121 | 121 |
Swell 3 Height (m) Direction Period (s) | W 13 | SW 15 | SW 15 | SW 15 | SW 15 | SSE 9 | SSE 9 | WNW 13 | SSE 9 | S 19 | W 12 | NNE 8 | W 12 | W 12 | W 12 | NE 8 | NNE 8 | NNE 8 | SW 18 | SW 18 | W 12 | W 12 | SW 18 | SW 17 |
| kJ | 90 | 60 | 35 | 55 | 55 | 16 | 16 | 55 | 8 | 66 | 25 | 11 | 25 | 25 | 25 | 16 | 23 | 23 | 85 | 83 | 11 | 11 | 78 | 71 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 64 | 200 | 293 | 360 | 432 | 385 | 356 | 375 | 353 | 341 | 333 | 333 | 266 | 238 | 277 | 266 | 257 | 187 | 196 | 191 | 186 | 214 | 249 | 203 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 33 | 39 | 39 | 39 | 39 | 31 | 31 | 31 | 31 | 31 | 31 | 33 | 44 | 31 | 1 | 2 | 1 | 1 | 31 | 39 | 31 | 4 | 1 |
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 Number Fours 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