Reef Runway (Hickam Harbor) Surf Break

Lat Long: 21.31° N 157.95° W

Reef Runway (Hickam Harbor) Surf Forecast and Surf Report

Issued: 1 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Reef Runway (Hickam Harbor) sea temperature is
27.0° C
0.5° 

Reef Runway (Hickam Harbor) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Reef Runway (Hickam Harbor) surf forecast from 5 Aug 2026:

  • Best quality surf: Thursday 6 Aug, 2AM (local time) - 1.5ft (0.5m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 12 Aug, 2AM (local time) - 2.5ft (0.8m), 20s period, S swell with 485 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 2AM (local time) - 1.5ft (0.5m), 15s period with SW swell.

Best Forecast Surf Conditions for Reef Runway (Hickam Harbor) this week:

The surf forecast for Reef Runway (Hickam Harbor) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 2AM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.4m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Reef Runway (Hickam Harbor) in the next 16 days are 0.8m 20s and forecast to arrive on Wednesday (Aug 12) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Sunday (Aug 09) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 6th Aug)1.5ft (0.5m) 15s
Best Surf 2AM (Thu 6th Aug)1.5ft (0.5m) 15s
Most Powerful 2AM (Wed 12th Aug)2.5ft (0.8m) 20s

Table - best surf conditions forecast for Reef Runway (Hickam Harbor) over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 27°C on Wed morning, min 24°C on Thu night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Sat afternoon, min 25°C on Sat morning). Mainly fresh winds.

Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
1
0
1
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSE
13
0.4
SSW
15
0.5
SW
15
0.4
SSW
14
0.5
SW
14
0.6
SSW
14
0.4
SSW
14
0.4
SW
20
0.6
SSW
14
0.6
SSW
18
0.5
SW
18
0.6
SSW
17
0.5
SW
16
0.5
S
18
0.8
SSW
16
0.6
SSW
15
0.7
SSW
15
0.7
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
S
20
Wave Graph
Metric surfscale
Energy kJ
56
88
107
81
102
138
76
99
148
221
154
202
130
156
288
184
234
246
284
273
485
Wind (km/h)
20
E
20
ENE
15
ENE
20
E
25
ENE
15
ENE
25
ENE
20
ENE
30
ENE
30
ENE
35
ENE
35
ENE
25
ENE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
30
ENE
30
ENE
20
ENE
Wind State
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-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
10:23AM0.54m
8:25PM0.28m
11:33AM0.61m
9:49PM0.21m
12:37PM0.67m
11:45PM0.17m
1:33PM0.73m
1:09AM0.18m
2:22PM0.77m
2:12AM0.20m
3:08PM0.79m
3:04AM0.24m
3:49PM0.78m
3:53AM0.29m
Low Tide
5:16PM0.22m
3:15AM0.00m
7:29PM0.17m
4:14AM-0.01m
8:28PM0.12m
5:20AM-0.02m
9:06PM0.08m
6:26AM-0.04m
9:40PM0.05m
7:26AM-0.06m
10:12PM0.03m
8:21AM-0.06m
10:43PM0.02m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:06
7:06
7:05
7:04
 mm
Temp °C
27
27
26
27
27
25
26
27
25
26
27
25
25
26
25
27
27
26
27
28
26
Feels °C
27
26
27
28
26
25
25
25
25
24
25
23
24
25
24
27
26
27
25
26
26
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Reef Runway (Hickam Harbor) Surf forecast

The above surf forecast table for Reef Runway (Hickam Harbor) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Reef Runway (Hickam Harbor) can be found by selecting the local surf guide option on the grey menu. Our Reef Runway (Hickam Harbor) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Reef Runway (Hickam Harbor)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Reef Runway (Hickam Harbor) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Reef Runway is 6 km (4 miles) from 'Ewa Beach. If you plan a vacation in Oahu, look for hotels and other accommodation in 'Ewa Beach. 'Ewa Beach has rooms for a wide range of budgets as well as car hire and transport links.

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