Keaulanas surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Friday 15 Aug 2025 HST
Forecast update in hr  min  s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
27.4° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Keaulanas this week:

The surf forecast for Keaulanas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 15) at 2PM. The primary swell is predicted to be 0.7m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 12 days are 0.7m 16s and forecast to arrive on Friday (Aug 15) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Tuesday (Aug 19) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Fri 15th Aug)2.5ft (0.7m) 16s
Best Surf 2PM (Fri 15th Aug)2.5ft (0.7m) 16s
Most Powerful 2PM (Fri 15th Aug)2.5ft (0.7m) 16s

Table - best surf conditions forecast for Keaulanas over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 29°C on Sun afternoon, min 25°C on Fri morning). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Mon morning). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.7
SSW
0.6
SSW
0.5
SW
0.6
SSW
0.5
SW
0.4
SSW
0.5
SSW
0.5
S
0.5
S
0.6
SSW
0.5
SSW
0.5
S
0.5
S
0.4
S
0.5
S
0.6
S
0.6
S
0.6
S
0.6
S
0.7
S
Period(s) (?)161616151515141316151414131317161615141413
Wave
Graph
(?)Metric surfscale
Energy (?)2342321661072591661401841601091891118989171203227200146131170
Wind
(km/h)
15
E
15
E
15
E
20
E
30
ENE
25
ENE
25
E
25
ENE
15
ENE
10
E
15
E
15
E
25
E
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
E
25
ENE
20
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
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
9:35AM
0.58
10:57AM
0.62
12:07PM
0.67
10:48PM
0.20
1:05PM
0.70
12:41AM
0.21
1:52PM
0.73
1:41AM
0.24
2:33PM
0.74
2:28AM
0.28
3:09PM
0.73
3:09AM
0.33
Low Tide
/ height (m)
2:16AM
0.08
3:19AM
0.08
9:08PM 4:38AM
0.19 0.08
9:10PM
0.16
5:53AM
0.07
9:30PM
0.14
6:55AM
0.05
9:51PM
0.13
7:48AM
0.05
10:12PM
0.12
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Sunrise6:09--6:11--6:11--6:11--6:11--6:11--6:11--
Sunset-7:01--7:01--7:00--7:00--6:59--6:59--6:58-
clearpart cloudclearclearclearclearclearclearclearpart cloudpart cloudclearclearclearclearclearclearpart cloudpart cloudpart cloudclear
Rain (mm)
---------------------
Temp. °C272826282826282926272826272825272826272825
Feels °C (?)282925272625262626292926262725262626262724
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Oahu

  1. weather stationWind Update The wind is still cross-off at Keaulanas (light winds from the ENE.(Wind varies from 040 to 100 degs) at Kalaeloa Airport 11 km from Keaulanas). 0.3m 14s groundswell from the S to make surfable waves.

    Keaulanas
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2 h 40 min ago

15 km/h
ENE
Cross-Off
Please reload the page to see if there are any updates.

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 Keaulanas 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.


Information about the Keaulanas Surf forecast

The above surf forecast table for Keaulanas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Keaulanas can be found by selecting the local surf guide option on the grey menu. Our Keaulanas 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 (Keaulanas) 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 Keaulanas 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.

Keaulanas is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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