Keaau surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Thursday 03 Jul 2025 HST
Forecast update in hr  min  s Forecast update imminent
Keaau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaau sea temperature is
26.3° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Keaau this week:

The surf forecast for Keaau over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 5PM. The primary swell is predicted to be 0.5m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaau in the next 12 days are 1.2m 7s and forecast to arrive on Monday (Jul 07) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Wednesday (Jul 09) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 4th Jul)1.5ft (0.5m) 14s
Best Surf 5PM (Fri 4th Jul)1.5ft (0.5m) 14s
Most Powerful 8PM (Mon 7th Jul)4ft (1.2m) 7s

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

Updates in  hr  min  s Forecast update imminent
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
N
0.4
SW
0.5
SW
0.4
SW
0.6
SSE
0.5
SW
1.3
ENE
0.5
SW
1.3
ENE
1.3
ENE
1.4
ENE
1.4
ENE
1.1
NE
1.1
NE
1.1
NE
0.1
N
0.8
NE
0.5
S
0.9
NE
0.8
NE
1
NE
1.1
NE
1.2
ENE
1.1
NE
1.1
NE
1.1
NE
1.1
NE
1.1
NE
1.1
NE
1.1
NE
0.8
NE
0.8
NE
0.8
NE
0.7
NE
0.9
NE
0.9
NE
Period(s) (?)7201418131871688777778614677677777777766677
Wave
Graph
(?)Metric surfscale
Energy (?)1609700150012500001301181022560706185940132142130123102117109959087407887
Wind
(km/h)
10
E
15
ENE
20
ENE
15
ENE
20
ENE
25
ENE
20
E
30
E
30
ENE
20
E
30
ENE
25
ENE
20
E
30
NE
20
ENE
15
E
15
NE
20
NE
15
ENE
20
NE
25
ENE
20
ENE
20
NE
25
NE
20
ENE
20
ENE
20
NE
15
ENE
15
ENE
20
NE
15
ENE
10
NE
25
NE
15
ENE
20
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffcross-
off
High Tide
/ height (m)
10:19PM
0.24
1:10PM
0.47
11:17PM
0.19
1:50PM
0.53
12:24AM
0.16
2:28PM
0.58
1:26AM
0.14
3:04PM
0.62
2:18AM
0.13
3:39PM
0.65
3:04AM
0.14
4:14PM
0.68
3:49AM
0.15
4:48PM
0.69
4:34AM
0.16
5:23PM
0.69
5:23AM
0.18
5:57PM
0.67
6:16AM
0.20
6:32PM
0.63
7:16AM
0.24
7:07PM
0.57
8:22AM
0.29
7:43PM
0.49
Low Tide
/ height (m)
5:14AM
0.02
8:31PM
0.20
5:48AM
0.02
9:32PM
0.16
6:25AM
0.00
10:12PM
0.13
7:04AM
-0.01
10:44PM
0.11
7:45AM
-0.02
11:14PM
0.09
8:25AM
-0.03
11:44PM
0.08
9:05AM
-0.04
12:14AM
0.06
9:46AM
-0.03
12:44AM
0.05
10:28AM
-0.00
1:15AM
0.03
11:15AM
0.04
1:45AM
0.02
12:07PM
0.09
2:17AM
0.01
1:13PM
0.16
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
Sunrise-5:54--5:54--5:54--5:56--5:56--5:56--5:56--5:56--5:58--5:58--5:58--5:58-
Sunset--7:19--7:19--7:19--7:19--7:19--7:19--7:19--7:19--7:17--7:17--7:17--7:17
part cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudclearclearclearclearclearpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudclearclearclearclearclearpart cloudclearpart cloudpart cloudpart cloudpart cloudclearclearpart cloudclearpart cloudclear
Rain (mm)
------------------------------------
Temp. °C252726252727252727252627252526252727252727252728252527252527252728262828
Feels °C (?)252725252625242424242423252424252624242625252627252427252527252728272725

Short Range Forecast: Mostly dry. Warm (max 27°C on Fri morning, min 24°C on Thu night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Sun night). Mainly fresh winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Wed night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 28°C on Mon afternoon, min 24°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 Keaau Surf forecast

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

Keaau is 22 km (14 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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