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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 1 pm Sunday 17 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
25.4° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 9PM is: 1.6m 8s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a Northwest direction (forecast issued at 01:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.4m) | 8s |
| Afternoon (17 May) | 4.5ft (1.4m) | 8s |
| Evening (17 May) | 5ft (1.6m) | 8s |
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 25°C on Sun afternoon, min 23°C on Mon night). Mainly strong winds. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
256 | 256 | 256 | 403 | 359 | 392 | 427 | 383 | 392 | 392 | 404 | 383 | 333 | 324 | 300 | 272 | 286 | 295 | 295 | 273 | 427 | 449 | 263 | 414 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | cross-on | |
High Tide | 4:15PM0.71m | 1:53AM0.28m | 5:08PM0.69m | 2:17AM0.25m | 6:04PM0.66m | |||||||||||||||||||
Low Tide | 8:21AM-0.19m | 11:00PM0.21m | 9:03AM-0.17m | 00:21AM0.21m | 9:49AM-0.14m | |||||||||||||||||||
 | |  |  | | | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NNW 9 | NNW 9 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NNW 11 | E 8 | NNW 12 |
 kJ | 256 | 256 | 256 | 286 | 359 | 17 | 16 | 41 | 20 | 43 | 48 | 23 | 36 | 33 | 31 | 31 | 54 | 54 | 47 | 46 | 58 | 45 | 69 | 78 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | SSW 15 | SSW 14 | NNW 9 | NNW 13 | NNW 13 | NNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 15 | SSW 15 | NNW 12 | NNW 12 | SSW 14 |
| kJ | 41 | 39 | 38 | 38 | 23 | 42 | 41 | 8 | 18 | 17 | 15 | 18 | 18 | 18 | 18 | 39 | 40 | 40 | 59 | 42 | 44 | 30 | 78 | 41 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 7 | SSW 15 | SSW 15 | NNW 15 | NNW 15 | NNW 14 | NNW 9 | SSW 19 | SSE 10 | SSE 10 | SSE 10 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSE 7 | SSE 7 | NNW 13 | NNW 13 | SSW 15 | SSW 14 | SE 9 |
| kJ | 8 | 7 | 10 | 44 | 43 | 22 | 21 | 20 | 8 | 37 | 10 | 10 | 10 | 26 | 28 | 30 | 30 | 5 | 4 | 18 | 17 | 42 | 41 | 3 |
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 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | 403 | — | 392 | 427 | 383 | 392 | 392 | 404 | 383 | 333 | 324 | 300 | 272 | 286 | 295 | 295 | 273 | 427 | 449 | 263 | 414 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 44 | 45 | 45 | 44 | 44 | 44 | 16 | 44 | 44 | 44 | 50 | 45 | 44 | 44 | 44 | 50 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanalo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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