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Surf Forecasts:
Empty Lots surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Empty Lots surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Empty Lots sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Empty Lots today?
The current surf forecast for Empty Lots at 10AM is: 1.6m 8s primary swell from a East direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 07:00am May 20). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5ft (1.5m) | 8s |
| Afternoon (20 May) | 6ft (1.8m) | 8s |
| Evening (20 May) | 7ft (2.1m) | 8s |
Table - waves today at Empty Lots. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 8 | ENE 8 | E 8 | |
301 | 309 | 377 | 383 | 439 | 623 | 659 | 720 | 737 | 709 | 903 | 997 | 957 | 859 | 780 | 798 | 668 | 607 | 663 | 617 | 547 | 629 | 574 | 548 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 6:16AM0.23m | 7:25PM0.76m | 7:50AM0.24m | 8:19PM0.69m | 9:43AM0.28m | 9:14PM0.63m | ||||||||||||||||||
Low Tide | 2:25AM0.16m | 11:23AM0.07m | 3:25AM0.15m | 12:20PM0.15m | 4:15AM0.14m | 1:39PM0.23m | ||||||||||||||||||
 |  | | | | | | | |  | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 |
22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 18 | 19 | 18 | 19 | 19 | 19 | 18 | 19 | 20 | 19 | 19 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 17 | S 16 |
 kJ | 167 | 236 | 163 | 158 | 149 | 105 | 101 | 137 | 134 | 134 | 134 | 131 | 127 | 172 | 169 | 157 | 157 | 155 | 107 | 101 | 94 | 93 | 140 | 188 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | SSW 18 | NW 10 | SSW 18 | SSW 17 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 |
| kJ | 26 | 25 | 25 | 62 | 24 | 61 | 100 | 57 | 67 | 69 | 60 | 30 | 34 | 43 | 42 | 41 | 39 | 38 | 101 | 98 | 98 | 97 | 60 | 60 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 18 | NW 10 | S 18 | NW 9 | NNW 9 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSW 12 | SSW 12 | NW 9 | SSW 12 | SSW 12 | S 19 | SE 12 | SE 12 | SE 12 | SSE 12 | SSE 12 | NW 11 |
| kJ | 66 | 66 | 63 | 25 | 56 | 23 | 8 | 19 | 19 | 36 | 35 | 34 | 28 | 14 | 3 | 14 | 14 | 63 | 37 | 37 | 37 | 29 | 28 | 18 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 8 | ENE 8 | E 8 |
| kJ | 301 | 309 | 377 | 383 | 439 | 623 | 659 | 720 | 737 | 709 | 903 | 997 | 957 | 859 | 780 | 798 | 668 | 607 | 663 | 617 | 547 | 629 | 574 | 548 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 21 | 24 | 29 | 29 | 31 | 31 | 145 | 145 | 144 | 148 | 144 | 146 | 273 | 148 | 144 | 22 | 27 | 183 | 186 | 183 | 173 | 31 | 24 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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