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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 pm Sunday 19 Apr 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
24.5° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 2AM is: 0.8m 6s primary swell from a East direction and 0.5m 7s secondary swell from a North direction, 0.4m 12s secondary swell from a Northwest direction (forecast issued at 07:00pm April 19). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (20 Apr) | 2.5ft (0.8m) | 7s |
| Evening (20 Apr) | 2.5ft (0.7m) | 7s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 16 | 15 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 43 | 40 | 41 | 39 | 41 | 37 | 31 | 61 | 65 | 51 | 52 | 59 | 62 | 88 | 93 | 95 | 109 | 223 | 358 | 437 | 494 | 522 | 690 | 669 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | glass | glass | glass | glass | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 5:08PM 0.63 | 2:45AM 0.29 | 6:08PM 0.60 | 7:22PM 0.57 | ||||||||||||||||||||
Low Tide / height (m) | 11:35PM 0.21 | 10:01AM -0.14 | 10:45AM -0.10 | 11:38AM -0.04 | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - |
| Sunset | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - |
 |  | |  | |  | | |  | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 25 | 24 | 25 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 24 | 24 | 25 | 24 | 24 | 23 |
- Map Icons:
Break
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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