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Surf Forecasts:
The Cove surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Wednesday 13 May 2026 HSTForecast update in hr min s Forecast update imminent
The Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Cove sea temperature is
25.5° C
(Which is slightly warmer than usual)How big are the waves at The Cove today?
The current surf forecast for The Cove at 10AM is: 1.5m 7s primary swell from a East direction and 0.5m 14s secondary swell from a South direction (forecast issued at 01:00am May 13). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.5m) | 7s |
| Afternoon (13 May) | 5ft (1.5m) | 7s |
| Evening (13 May) | 5.5ft (1.7m) | 7s |
Table - waves today at The Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Fri afternoon. Warm (max 26°C on Thu afternoon, min 22°C on Fri night). Winds decreasing (fresh winds from the ENE on Wed afternoon, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ENE 7 | E 8 | E 8 | SSW 16 | E 8 | SSW 16 | SSW 16 | E 8 | E 8 | |
239 | 279 | 211 | 205 | 179 | 209 | 282 | 260 | 267 | 199 | 200 | 209 | 186 | 163 | 163 | 228 | 169 | 146 | 171 | 217 | 169 | 169 | 127 | 157 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | glassy | cross-on | cross | |
High Tide | 00:30AM0.48m | 2:01PM0.66m | 1:15AM0.43m | 2:40PM0.75m | 2:00AM0.38m | 3:21PM0.82m | ||||||||||||||||||
Low Tide | 6:59AM0.05m | 8:22PM0.23m | 7:27AM0.02m | 9:23PM0.20m | 7:59AM-0.01m | 10:21PM0.18m | ||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | |  | | |  | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 5 | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 23 | 23 |
20 | 19 | 20 | 21 | 21 | 20 | 19 | 20 | 21 | 21 | 21 | 22 | 23 | 24 | 23 | 23 | 23 | 24 | 25 | 27 | 27 | 27 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | S 15 | S 14 | SSW 15 | SSW 14 | SSW 14 | S 13 | SSW 14 | SSW 14 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 47 | 24 | 104 | 103 | 84 | 82 | 82 | 55 | 81 | 81 | 112 | 176 | 171 | 241 | 221 | 138 | 169 | 146 | 149 | 149 | 124 | 124 | 127 | 157 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 15 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | SW 14 | NW 16 | NW 16 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 17 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
| kJ | 73 | 72 | 23 | 22 | 21 | 21 | 20 | 54 | 68 | 93 | 81 | 80 | 49 | 47 | 77 | 215 | 208 | 205 | 199 | 122 | 118 | 114 | 114 | 67 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SW 16 | SW 15 | S 14 | SE 9 | SSE 11 | NW 9 | S 13 | SE 10 | S 13 | S 13 | SE 10 | SE 10 | SSW 13 | SW 17 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 |
| kJ | 42 | 41 | 63 | 56 | 36 | 13 | 11 | 20 | 30 | 24 | 30 | 28 | 15 | 24 | 34 | 75 | 132 | 129 | 171 | 125 | 169 | 169 | 125 | 127 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ENE 7 | ENE 7 | — | — | E 8 | — | — | — | ENE 8 |
| kJ | 239 | 279 | 211 | 205 | 179 | 209 | 282 | 260 | 267 | 199 | 200 | 209 | 186 | 163 | 163 | 228 | 140 | — | — | 217 | — | — | — | 110 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 19 | 22 | 25 | 22 | 19 | 10 | 12 | 12 | 10 | 12 | 20 | 10 | 10 | 9 | 7 | 9 | 10 | 10 | 0 | 10 | 12 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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