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Surf Forecasts:
Graters surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Monday 11 May 2026 HSTForecast update in hr min s Forecast update imminent
Graters surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Graters sea temperature is
25.1° C
(Which is normal for this time of year)How big are the waves at Graters today?
The current surf forecast for Graters at 3AM is: 0.8m 11s primary swell from a Northwest direction and 0.9m 7s secondary swell from a North direction (forecast issued at 07:00pm May 11). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2.5ft (0.7m) | 11s |
| Afternoon (12 May) | 3ft (0.9m) | 10s |
| Evening (12 May) | 3ft (0.9m) | 10s |
Table - waves today at Graters. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 24°C on Mon night, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 11 | NW 11 | NE 6 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 18 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | |
194 | 213 | 238 | 137 | 110 | 97 | 161 | 146 | 157 | 154 | 151 | 120 | 117 | 98 | 73 | 54 | 50 | 80 | 224 | 271 | 376 | 516 | 558 | 773 | |
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 | 10:40PM0.58m | 12:38PM0.54m | 11:12PM0.54m | 1:14PM0.65m | 11:43PM0.50m | 1:54PM0.74m | ||||||||||||||||||
Low Tide | 4:30PM0.36m | 5:46AM0.15m | 5:57PM0.37m | 6:04AM0.10m | 7:11PM0.36m | 6:27AM0.05m | ||||||||||||||||||
 |  |  |  | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:02 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 |
22 | 22 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 19 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | N 7 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 |
 kJ | 194 | 194 | 137 | 73 | 110 | 97 | 161 | 146 | 157 | 154 | 151 | 120 | 117 | 98 | 73 | 54 | 40 | 28 | 224 | 271 | 376 | 516 | 558 | 773 |
Swell 2 Height (m) Direction Period (s) | SW 17 | S 17 | N 13 | NW 11 | N 12 | NW 10 | NW 10 | NW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | N 9 | N 9 | N 9 | NW 9 | N 8 | N 8 | N 8 | NW 11 | N 8 |
| kJ | 12 | 6 | 14 | 137 | 75 | 68 | 64 | 48 | 25 | 25 | 25 | 25 | 24 | 24 | 21 | 15 | 25 | 25 | 28 | 22 | 22 | 22 | 60 | 22 |
Swell 3 Height (m) Direction Period (s) | S 12 | N 14 | S 17 | NNW 13 | SW 15 | SW 15 | SW 16 | SSW 16 | S 16 | N 12 | N 12 | N 12 | S 15 | S 15 | N 10 | SSW 15 | NW 18 | NW 18 | N 8 | NW 9 | NW 9 | NW 9 | N 8 | SSW 14 |
| kJ | 3 | 4 | 23 | 54 | 9 | 9 | 10 | 25 | 5 | 12 | 12 | 11 | 4 | 4 | 2 | 21 | 50 | 80 | 23 | 27 | 20 | 19 | 22 | 19 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 |
| kJ | 172 | 213 | 238 | 151 | 213 | 227 | 219 | 230 | 230 | 265 | 276 | 321 | 331 | 306 | 293 | 332 | 342 | 352 | 373 | 394 | 394 | 397 | 327 | 292 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 161 | 32 | 32 | 13 | 32 | 32 | 32 | 32 | 35 | 32 | 32 | 32 | 32 | 32 | 32 | 35 | 32 | 32 | 32 | 32 | 13 | 13 | 32 | 37 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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