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Surf Forecasts:
Empty Lots surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Thursday 21 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 8AM is: 2.4m 8s primary swell from a East direction and 0.5m 16s secondary swell from a South direction, 0.5m 13s secondary swell from a South-southwest direction (forecast issued at 01:00am May 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 8ft (2.4m) | 8s |
| Afternoon (21 May) | 8ft (2.5m) | 8s |
| Evening (21 May) | 8ft (2.4m) | 9s |
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 Thu afternoon, min 23°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 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 |    |    |    | |||||||||||||||||||||
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 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
634 | 856 | 802 | 783 | 856 | 957 | 839 | 780 | 798 | 668 | 617 | 593 | 603 | 669 | 686 | 574 | 512 | 461 | 459 | 547 | 629 | 589 | 498 | 434 | |
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 | 7:50AM0.24m | 8:19PM0.69m | 9:43AM0.28m | 9:14PM0.63m | 11:17AM0.36m | 10:06PM0.56m | ||||||||||||||||||
Low Tide | 3:25AM0.15m | 12:20PM0.15m | 4:15AM0.14m | 1:39PM0.23m | 4:55AM0.12m | 3:28PM0.29m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | |  | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 |
19 | 18 | 18 | 19 | 20 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 18 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 |
 kJ | 137 | 134 | 134 | 134 | 131 | 127 | 172 | 169 | 157 | 157 | 109 | 107 | 101 | 94 | 93 | 140 | 188 | 183 | 183 | 181 | 236 | 215 | 212 | 155 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 16 | NW 15 | NW 14 | NW 14 |
| kJ | 57 | 67 | 101 | 60 | 31 | 44 | 43 | 42 | 41 | 39 | 37 | 101 | 98 | 98 | 97 | 60 | 60 | 58 | 58 | 34 | 49 | 55 | 54 | 50 |
Swell 3 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSW 12 | NW 10 | NW 9 | SSW 12 | SSW 12 | S 19 | SSE 12 | SE 12 | SE 12 | SSE 12 | SSE 12 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 19 | 19 | 36 | 35 | 34 | 28 | 4 | 3 | 14 | 14 | 61 | 29 | 37 | 37 | 29 | 28 | 18 | 18 | 17 | 16 | 10 | 10 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | 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 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 634 | 856 | 802 | 783 | 856 | 957 | 839 | 780 | 798 | 668 | 617 | 593 | 603 | 669 | 686 | 574 | 512 | 461 | 459 | 547 | 629 | 589 | 498 | 434 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 145 | 145 | 145 | 165 | 145 | 146 | 273 | 146 | 144 | 31 | 27 | 183 | 186 | 183 | 183 | 183 | 31 | 145 | 183 | 192 | 183 | 145 | 24 | 144 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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