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Daves Backyard surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 17 May 2026 HSTForecast update in hr min s Forecast update imminent
Daves Backyard surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Daves Backyard sea temperature is
25.5° C
(Which is normal for this time of year)How big are the waves at Daves Backyard today?
The current surf forecast for Daves Backyard at 8PM is: 0.8m 15s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a East direction (forecast issued at 01:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 8s |
| Afternoon (17 May) | 2.5ft (0.8m) | 15s |
| Evening (17 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Daves Backyard. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 23°C on Tue night). Winds increasing (light winds from the E on Sun afternoon, fresh winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | ENE 8 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | ENE 8 | SSW 14 | |
140 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 332 | 251 | 212 | 314 | 207 | 161 | 163 | 273 | 273 | 229 | 246 | 249 | 246 | 249 | 361 | 264 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | 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 | 4:51PM0.87m | 4:15AM0.26m | 5:40PM0.85m | 5:08AM0.24m | 6:32PM0.81m | 6:16AM0.23m | ||||||||||||||||||
Low Tide | 9:11AM-0.03m | 00:19AM0.16m | 9:52AM-0.02m | 1:21AM0.16m | 10:35AM0.02m | 2:25AM0.16m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 |
29 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 23 | 22 | 22 | 23 | 21 | 21 | |
Swell 1 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 | SSW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | E 8 | SSW 14 |
 kJ | 140 | 140 | 140 | 140 | 169 | 195 | 228 | 223 | 219 | 191 | 168 | 190 | 190 | 153 | 149 | 176 | 153 | 229 | 246 | 249 | 246 | 249 | 228 | 236 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSE 7 | SSE 9 | NW 10 | SSE 9 | SSW 15 | SE 9 |
| kJ | 37 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 233 | 229 | 212 | 210 | 207 | 161 | 163 | 226 | 229 | 174 | 18 | 35 | 28 | 34 | 222 | 21 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSW 19 | SSE 7 | SSE 10 | SSW 16 | SSW 17 | SSW 17 | SSW 18 | SSW 18 | SSE 7 | NW 10 | NW 10 | SSE 6 | NW 10 | NW 10 | NW 10 |
| kJ | 131 | 29 | 30 | 30 | 21 | 17 | 18 | 18 | 332 | 251 | 9 | 38 | 51 | 92 | 97 | 273 | 273 | 19 | 28 | 28 | 8 | 27 | 26 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 8 | ENE 8 | — | — | — | — | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 190 | 314 | — | — | — | — | 253 | 186 | 223 | 223 | 223 | 229 | 361 | 264 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 11 | 9 | 11 | 9 | 11 | 11 | 11 | 11 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 21 | 14 | 13 | 11 | 11 | 21 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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