- Forecast
- Maps
- Live
- Weather State
- Spot Information
Number Threes Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Number Threes surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Number Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Threes sea temperature is
25.7° C
(Which is slightly warmer than usual)How big are the waves at Number Threes today?
The current surf forecast for Number Threes at 1AM is: 1.5m 8s primary swell from a East-northeast direction and 0.7m 14s secondary swell from a South-southwest direction, 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 18). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 4.5ft (1.4m) | 8s |
| Afternoon (19 May) | 5ft (1.5m) | 8s |
| Evening (19 May) | 5.5ft (1.7m) | 8s |
Table - waves today at Number Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Tue afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
394 | 353 | 306 | 259 | 259 | 251 | 246 | 234 | 298 | 310 | 327 | 361 | 414 | 520 | 570 | 655 | 702 | 719 | 827 | 871 | 1081 | 1009 | 1026 | 1098 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | 5:59PM0.73m | 5:55AM0.09m | 6:52PM0.69m | 7:16AM0.09m | 7:47PM0.64m | 8:55AM0.12m | ||||||||||||||||||
Low Tide | 1:48AM-0.01m | 10:55AM-0.08m | 2:50AM-0.02m | 11:49AM-0.02m | 3:46AM-0.03m | 12:55PM0.05m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
21 | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 21 | 21 | 21 | 21 | 22 | 20 | 19 | 19 | 20 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | ENE 8 | ENE 8 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 16 | S 16 | SSW 16 | SSW 16 |
 kJ | 168 | 163 | 161 | 161 | 259 | 251 | 178 | 178 | 246 | 249 | 167 | 172 | 167 | 163 | 163 | 115 | 108 | 105 | 69 | 68 | 134 | 132 | 87 | 85 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 16 | SSE 6 | SSW 16 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSE 10 | SSE 9 | SSE 9 | NW 11 | NW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | SSW 17 | SSW 16 | SSW 13 | SSW 13 | SSW 13 | SSW 12 |
| kJ | 148 | 51 | 8 | 91 | 163 | 175 | 207 | 176 | 18 | 17 | 17 | 30 | 35 | 27 | 26 | 23 | 23 | 22 | 99 | 91 | 58 | 56 | 59 | 30 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 6 | SSW 16 | SSE 6 | SSW 17 | SSW 18 | SSE 10 | SSE 10 | NNW 12 | NNW 11 | NW 11 | SSE 10 | SW 16 | SW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | NNW 11 | NNW 10 | NNW 10 | SSE 14 | SSE 13 | SSE 13 |
| kJ | 9 | 8 | 51 | 8 | 96 | 207 | 18 | 18 | 27 | 11 | 30 | 18 | 41 | 41 | 63 | 63 | 61 | 61 | 22 | 22 | 10 | 18 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 394 | 353 | 306 | 259 | — | — | 246 | 234 | 298 | 310 | 327 | 361 | 414 | 520 | 570 | 655 | 702 | 719 | 827 | 871 | 1081 | 1009 | 1026 | 1098 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 39 | 32 | 32 | 31 | 31 | 39 | 40 | 45 | 45 | 48 | 48 | 49 | 126 | 128 | 47 | 129 |
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 Threes 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