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Waimanalo Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanalo surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 19 May 2026 HSTForecast update in hr min s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
25.5° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 11AM is: 1.6m 7s primary swell from a East direction and 0.4m 12s secondary swell from a North-northwest direction (forecast issued at 07:00am May 19). 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 (19 May) | 5ft (1.6m) | 8s |
| Afternoon (19 May) | 5ft (1.6m) | 8s |
| Evening (19 May) | 6ft (1.8m) | 7s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Tue morning, min 23°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 8 | E 8 | E 7 | ENE 8 | ENE 8 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | E 7 | 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 8 | |
295 | 324 | 285 | 308 | 324 | 245 | 336 | 427 | 449 | 465 | 581 | 735 | 763 | 782 | 827 | 792 | 939 | 889 | 956 | 1026 | 1026 | 976 | 1023 | 977 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | |
High Tide | 2:17AM0.25m | 6:04PM0.66m | 7:03PM0.62m | 8:01PM0.58m | ||||||||||||||||||||
Low Tide | 9:49AM-0.14m | 10:37AM-0.08m | 11:31AM-0.02m | |||||||||||||||||||||
 |  | | | | | | | | | |  | |  | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
23 | 23 | 23 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 15 | SSW 15 | SSW 15 |
 kJ | 31 | 31 | 54 | 54 | 47 | 46 | 58 | 45 | 78 | 78 | 42 | 65 | 65 | 45 | 44 | 42 | 39 | 19 | 19 | 19 | 9 | 44 | 42 | 42 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 15 | SSW 15 | NNW 12 | SSW 14 | SSW 15 | NNW 12 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 17 | S 16 | S 16 | S 16 | SSW 16 | SSW 16 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 18 | 19 | 40 | 20 | 59 | 42 | 44 | 30 | 41 | 42 | 29 | 20 | 19 | 18 | 24 | 22 | 21 | 46 | 46 | 50 | 24 | 9 | 9 | 10 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 18 | SSW 18 | SSE 10 | SSE 10 | NNW 13 | NNW 13 | SSW 15 | SE 9 | SE 9 | SSW 15 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
| kJ | 28 | 30 | 30 | 9 | 9 | 18 | 17 | 42 | 3 | 3 | 21 | 25 | 24 | 25 | 17 | 17 | 8 | 18 | 17 | 17 | 17 | 17 | 16 | 16 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 7 | ENE 8 | ENE 8 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | E 7 | 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 8 |
| kJ | 295 | 324 | 285 | 308 | 324 | 245 | 336 | 427 | 449 | 465 | 581 | 735 | 763 | 782 | 827 | 792 | 939 | 889 | 956 | 1026 | 1026 | 976 | 1023 | 977 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 44 | 44 | 44 | 50 | 44 | 44 | 44 | 44 | 50 | 52 | 55 | 56 | 57 | 57 | 116 | 116 | 57 | 118 | 117 | 146 | 245 | 118 | 116 |
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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