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Surf Forecasts:
Graters surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Wednesday 27 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
24.9° C
(Which is normal for this time of year)How big are the waves at Graters today (27 May):
- Morning surf: Morning surf (27 May, local time) - 4ft (1.2m), 14s period with NW swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 4ft (1.2m), 14s period with NW swell.
- Evening surf: Evening surf (27 May, local time) - 4ft (1.2m), 13s period with NW swell.
The current surf forecast for Graters at 11AM is: 1.1m 14s primary swell from a Northwest direction and 0.2m 9s secondary swell from a North-northwest direction (forecast issued at 07:00am May 27). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 4ft (1.2m) | 14s |
| Afternoon (27 May) | 4ft (1.2m) | 14s |
| Evening (27 May) | 4ft (1.2m) | 13s |
Table - waves today at Graters. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed morning. Warm (max 24°C on Wed afternoon, min 23°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | |
623 | 614 | 514 | 549 | 526 | 503 | 495 | 431 | 315 | 286 | 281 | 277 | 240 | 236 | 220 | 185 | 185 | 185 | 130 | 130 | 126 | 105 | 78 | 76 | |
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 | 1:34PM0.68m | 11:21PM0.42m | 2:03PM0.72m | 11:47PM0.39m | 2:34PM0.75m | 00:13AM0.37m | ||||||||||||||||||
Low Tide | 5:53AM0.11m | 8:11PM0.39m | 6:15AM0.08m | 9:06PM0.37m | 6:39AM0.06m | 9:54PM0.36m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | |  | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | 5:48 |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | 7:09 |
— | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 |
21 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 21 | 21 | 20 | 21 | 20 | 21 | 20 | 21 | 20 | 21 | 22 | 21 | 22 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNE 7 | NNW 11 |
 kJ | 623 | 614 | 514 | 549 | 526 | 503 | 495 | 431 | 315 | 286 | 281 | 277 | 240 | 236 | 220 | 185 | 185 | 185 | 130 | 130 | 126 | 105 | 55 | 76 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 12 | N 12 | NNE 13 | N 12 | NNE 12 | NNE 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | NNE 10 | NNE 9 | NNW 11 | NNE 11 |
| kJ | 8 | 8 | 8 | 8 | 12 | 27 | 53 | 24 | 48 | 47 | 73 | 35 | 35 | 58 | 58 | 57 | 56 | 51 | 48 | 48 | 31 | 29 | 78 | 65 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | NNW 9 | S 13 | S 13 | NNE 13 | S 13 | S 13 | SW 16 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 9 | SSW 18 |
| kJ | 16 | 16 | 16 | 16 | 8 | 14 | 14 | 17 | 13 | 13 | 10 | 31 | 33 | 34 | 34 | 33 | 33 | 31 | 28 | 27 | 27 | 25 | 47 | 63 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 379 | 327 | 286 | 319 | 286 | 310 | 301 | 301 | 251 | 251 | 256 | 248 | 286 | 255 | 255 | 237 | 244 | 244 | 251 | 244 | 236 | 263 | 222 | 279 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 32 | 11 | 32 | 35 | 32 | 32 | 11 | 11 | 32 | 32 | 35 | 35 | 11 | 13 | 11 | 11 | 11 | 13 | 32 | 11 | 13 | 11 | 11 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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