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Rocky Rights/Lefts and Gas Chambers Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Rocky Rights/Lefts and Gas Chambers surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Rocky Rights/Lefts and Gas Chambers surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rocky Rights/Lefts and Gas Chambers sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at Rocky Rights/Lefts and Gas Chambers today?
The current surf forecast for Rocky Rights/Lefts and Gas Chambers at 10AM is: 0.4m 13s primary swell from a Northwest direction (forecast issued at 07:00am May 18). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.4m) | 14s |
| Afternoon (18 May) | 1.5ft (0.4m) | 13s |
| Evening (18 May) | 1.5ft (0.4m) | 12s |
Table - waves today at Rocky Rights/Lefts and Gas Chambers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Mon morning, min 23°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | |
54 | 49 | 45 | 42 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 82 | 89 | 92 | 115 | 108 | 104 | 67 | 64 | 94 | 97 | 73 | 63 | 41 | |
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 | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | |
High Tide | 4:58PM0.84m | 5:51PM0.81m | 6:46PM0.77m | |||||||||||||||||||||
Low Tide | 8:41AM-0.04m | 9:21AM-0.00m | 10:03AM0.06m | |||||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 23 |
24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 22 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
 kJ | 51 | 50 | 50 | 50 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 82 | 89 | 92 | 115 | 108 | 104 | 67 | 64 | 94 | 97 | 73 | 63 | 41 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 9 | NW 13 | NW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SSW 18 | SW 14 | SSW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | NNW 11 | SSW 16 | SSW 16 | SSW 16 | NW 9 | NW 9 |
| kJ | 21 | 21 | 45 | 42 | 49 | 48 | 47 | 46 | 47 | 48 | 79 | 30 | 46 | 24 | 42 | 44 | 64 | 64 | 43 | 50 | 50 | 26 | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 14 | SW 19 | SW 19 | SSW 19 | NNW 8 | NNW 8 | NNW 13 | SSW 18 | SW 18 | SW 13 | SW 13 | NNW 14 | SSW 13 | NNW 13 | SW 16 | SW 13 | NNW 12 | SSW 16 | SW 13 | SW 13 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 54 | 49 | 96 | 96 | 37 | 7 | 7 | 17 | 30 | 79 | 28 | 27 | 18 | 17 | 17 | 10 | 7 | 48 | 50 | 7 | 7 | 20 | 20 | 16 |
Wind waves 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 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 513 | 476 | 476 | 476 | 476 | 374 | 341 | 333 | 294 | 294 | 318 | 294 | 333 | 333 | 374 | 392 | 402 | 485 | 565 | 684 | 671 | 702 | 763 | 748 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 23 | 23 | 23 | 23 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 25 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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