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Reef Runway (Hickam Harbor) Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Reef Runway (Hickam Harbor) surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Saturday 21 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Reef Runway (Hickam Harbor) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Reef Runway (Hickam Harbor) sea temperature is
24.6° C
(Which is normal for this time of year)How big are the waves at Reef Runway (Hickam Harbor) today?
The current surf forecast for Reef Runway (Hickam Harbor) at 11PM is: 0.8m 18s primary swell from a South-southwest direction and 0.7m 5s secondary swell from a South direction (forecast issued at 07:00pm March 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 2.5ft (0.8m) | 18s |
| Evening (21 Mar) | 2.5ft (0.8m) | 18s |
Table - waves today at Reef Runway (Hickam Harbor). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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) (?) | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 399 | 395 | 390 | 386 | 364 | 302 | 295 | 326 | 326 | 322 | 322 | 318 | 314 | 302 | 191 | 186 | 186 | 183 | 183 | 183 | 136 | 134 | 134 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | cross | cross- off | glass | glass | glass | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:37PM 0.59 | 6:02AM 0.24 | 7:35PM 0.59 | 6:42AM 0.17 | 8:43PM 0.58 | 7:47AM 0.11 | ||||||||||||||||||
Low Tide / height (m) | 1:14AM 0.07 | 11:53AM -0.07 | 2:47AM 0.09 | 12:31PM -0.05 | 4:53AM 0.08 | 1:22PM -0.03 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - |
| Sunset | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - |
 |  |  | | |  | | | | | | | | | | |  |  |  | | | | | | |
Rain (mm) | - | 1 | - | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 22 | 23 | 22 | 22 | 22 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 |
| Feels °C (?) | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 25 | 24 | 26 | 24 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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