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Kalama Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kalama surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Kalama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kalama sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Kalama today?
The current surf forecast for Kalama at 7PM is: 2.3m 8s primary swell from a East-northeast direction and 0.5m 11s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 20). An open ocean swell of 0.2m 14s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 6ft (1.9m) | 8s |
| Afternoon (20 May) | 7ft (2.2m) | 8s |
| Evening (20 May) | 8ft (2.4m) | 8s |
Table - waves today at Kalama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 24°C on Wed afternoon, min 23°C on Wed afternoon). Mainly strong winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
535 | 599 | 660 | 782 | 827 | 850 | 871 | 871 | 939 | 910 | 1068 | 1121 | 1147 | 1098 | 953 | 905 | 964 | 857 | 866 | 949 | 857 | 770 | 759 | 828 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | |
High Tide | 6:33PM0.85m | 4:03AM0.37m | 7:29PM0.80m | 6:51AM0.35m | 8:23PM0.75m | |||||||||||||||||||
Low Tide | 10:16AM0.07m | 3:16AM0.37m | 11:05AM0.16m | 3:54AM0.33m | 12:06PM0.26m | 4:21AM0.29m | ||||||||||||||||||
 |  | |  |  | | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | 7:05 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
21 | 21 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 18 | 19 | 18 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NNW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 |
 kJ | 42 | 65 | 65 | 65 | 44 | 42 | 25 | 19 | 19 | 19 | 9 | 44 | 42 | 42 | 42 | 20 | 27 | 30 | 30 | 30 | 30 | 30 | 28 | 27 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 17 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | NNW 10 | NNW 9 | NNW 10 | NNW 10 | S 15 | S 14 | S 18 | S 18 | S 14 | S 17 | S 16 | S 16 | S 16 |
| kJ | 29 | 20 | 19 | 18 | 24 | 22 | 25 | 51 | 20 | 51 | 48 | 9 | 9 | 10 | 10 | 17 | 16 | 25 | 25 | 14 | 50 | 47 | 46 | 46 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | S 18 | S 14 | S 14 | S 18 | S 13 | S 13 | NNW 18 | NNW 18 |
| kJ | 21 | 6 | 24 | 25 | 17 | 17 | 17 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 25 | 15 | 14 | 24 | 14 | 14 | 31 | 60 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 535 | 599 | 660 | 782 | 827 | 850 | 871 | 871 | 939 | 910 | 1068 | 1121 | 1147 | 1098 | 953 | 905 | 964 | 857 | 866 | 949 | 857 | 770 | 759 | 828 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 50 | 52 | 52 | 125 | 125 | 124 | 124 | 153 | 124 | 3781 | 125 | 252 | 50 | 46 | 49 | 153 | 208 | 206 | 125 | 47 | 46 | 122 | 124 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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