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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 am Monday 18 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
25.3° C
(Which is normal for this time of year)How big are the waves at Kalama today?
The current surf forecast for Kalama at 8AM is: 1.8m 8s primary swell from a East direction and 0.2m 9s secondary swell from a North-northwest direction (forecast issued at 01:00am May 18). An open ocean swell of 0.3m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 8s |
| Afternoon (18 May) | 6ft (1.8m) | 8s |
| Evening (18 May) | 5.5ft (1.7m) | 8s |
Table - waves today at Kalama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 24°C on Mon morning, min 23°C on Mon night). Mainly strong winds. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
473 | 473 | 418 | 427 | 427 | 427 | 383 | 132 | 212 | 212 | 251 | 286 | 286 | 333 | 273 | 336 | 404 | 263 | 520 | 576 | 709 | 727 | 702 | 745 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 2:04AM0.47m | 4:46PM0.94m | 2:36AM0.44m | 5:38PM0.90m | 3:08AM0.41m | 6:33PM0.85m | ||||||||||||||||||
Low Tide | 8:51AM-0.04m | 00:02AM0.41m | 9:32AM0.01m | 1:30AM0.40m | 10:16AM0.07m | |||||||||||||||||||
 |  |  | | |  | | | | |  | | | | | | | | | | | |  | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — |
1 | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 |
23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NNW 9 | NNW 9 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | NW 12 | E 8 | E 9 | E 9 | NW 11 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | E 8 | NNW 12 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 |
 kJ | 17 | 16 | 41 | 20 | 43 | 48 | 23 | 108 | 74 | 76 | 31 | 54 | 54 | 47 | 46 | 47 | 45 | 69 | 78 | 62 | 65 | 65 | 65 | 44 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | NNW 9 | NNW 13 | NNW 13 | NNW 12 | SSW 14 | NW 12 | NW 11 | NW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 15 | SSW 15 | NNW 12 | NNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 18 |
| kJ | 21 | 20 | 8 | 18 | 17 | 15 | 18 | 36 | 33 | 31 | 39 | 40 | 20 | 59 | 42 | 44 | 30 | 78 | 41 | 21 | 20 | 19 | 18 | 24 |
Swell 3 Height (m) Direction Period (s) | NNW 15 | NNW 15 | NNW 14 | NNW 9 | SSW 19 | NNW 9 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSE 10 | SSE 6 | NNW 13 | NNW 13 | SSW 15 | SSW 14 | SE 9 | S 18 | S 18 | S 18 | S 18 | SSW 13 |
| kJ | 22 | 21 | 20 | 8 | 37 | 8 | 37 | 18 | 18 | 18 | 30 | 30 | 9 | 3 | 18 | 17 | 42 | 41 | 3 | 6 | 25 | 24 | 25 | 17 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 473 | 473 | 418 | 427 | 427 | 427 | 383 | 132 | 212 | 212 | 251 | 286 | 286 | 333 | 273 | 336 | 404 | 263 | 520 | 576 | 709 | 727 | 702 | 745 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 41 | 18 | 18 | 41 | 41 | 41 | 41 | 41 | 41 | 18 | 18 | 41 | 41 | 43 | 41 | 41 | 41 | 41 | 46 | 46 | 49 | 50 | 49 | 52 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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