Reef Runway (Hickam Harbor) surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Tuesday 01 Jul 2025 HST
Forecast 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
26.2° C
(Which is normal for this time of year)


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

The surf forecast for Reef Runway (Hickam Harbor) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 02) at 2AM. The primary swell is predicted to be 0.6m and 13s period. 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 12 days are 0.7m 14s and forecast to arrive on Friday (Jul 04) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Monday (Jul 07) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 2nd Jul)2ft (0.6m) 13s
Best Surf 2AM (Wed 2nd Jul)2ft (0.6m) 13s
Most Powerful 8PM (Fri 4th Jul)2.5ft (0.7m) 14s

Table - best surf conditions forecast for Reef Runway (Hickam Harbor) over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
S
0.6
S
0.5
S
0.6
S
0.4
SSE
0.4
SSW
0.5
S
0.4
SW
0.6
S
0.6
S
0.5
SW
0.5
SW
0.5
SSE
0.6
SSW
0.4
SSW
0.4
SSW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.4
SSW
0.5
S
0.5
S
0.6
S
0.5
SSW
0.5
S
0.5
SSW
0.5
S
0.5
S
0.5
S
0.4
SW
0.4
SSW
0.4
SSW
0.4
SW
0.4
SSW
0.4
S
Period(s) (?)131313121615122014141818131616161515191717171416161315131212131514141419
Wave
Graph
(?)Metric surfscale
Energy (?)129122134161210174832653463142793272422251501401179821413713423223225119919121917117116613812912694117165
Wind
(km/h)
15
ENE
25
ENE
25
ENE
20
ENE
25
E
30
ENE
20
ENE
35
ENE
30
ENE
30
ENE
30
E
35
ENE
30
ENE
30
E
35
ENE
35
ENE
40
ENE
40
ENE
30
ENE
35
ENE
40
ENE
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
25
ENE
30
ENE
30
ENE
25
ENE
30
E
30
ENE
20
ENE
30
ENE
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
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
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
8:51PM
0.44
11:28AM
0.39
9:29PM
0.36
12:21PM
0.47
10:13PM
0.29
1:04PM
0.53
11:12PM
0.23
1:42PM
0.59
12:19AM
0.19
2:19PM
0.63
1:20AM
0.17
2:55PM
0.67
2:11AM
0.16
3:30PM
0.70
2:56AM
0.16
4:06PM
0.72
3:38AM
0.17
4:42PM
0.73
4:22AM
0.18
5:17PM
0.73
5:10AM
0.20
5:52PM
0.72
6:04AM
0.22
6:26PM
0.69
Low Tide
/ height (m)
4:03AM
0.02
4:35PM
0.24
4:32AM
0.02
6:41PM
0.23
5:02AM
0.01
8:18PM
0.19
5:35AM
0.01
9:16PM
0.15
6:11AM
-0.01
9:54PM
0.11
6:51AM
-0.02
10:26PM
0.09
7:32AM
-0.04
10:56PM
0.07
8:12AM
-0.05
11:26PM
0.05
8:52AM
-0.05
11:58PM
0.05
9:32AM
-0.05
12:30AM
0.03
10:13AM
-0.03
1:02AM
0.02
10:58AM
0.01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise-5:52--5:54--5:54--5:54--5:54--5:54--5:54--5:56--5:56--5:56--5:56--5:56-
Sunset--7:16--7:16--7:17--7:17--7:16--7:16--7:16--7:16--7:16--7:16--7:16--7:16
clearrain showersclearclearclearpart cloudrain showersclearclearclearpart cloudpart cloudclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudclearpart cloudclearclearclearclearclearclearclear
Rain (mm)
-2----1-----------------------------
Temp. °C252626242626252526242626242626252526242526252626242526242626242626242626
Feels °C (?)242524232423242122222323212322222121202122232323222323212423222323222423

Short Range Forecast: Light rain (total 3mm), mostly falling on Wed morning. Warm (max 26°C on Wed morning, min 24°C on Tue night). Winds increasing (light winds from the ENE on Tue night, fresh winds from the ENE by Fri morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Sat morning, min 24°C on Fri night). Mainly strong winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Mon night). Mainly fresh winds.

Long Range Forecast: Mostly dry. Warm (max 26°C on Fri morning, min 23°C on Sat night). Mainly fresh winds.

  • 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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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 12 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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