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Surf Forecasts:

Waimanalo surf break

Waimanalo surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Friday 23 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
24.6° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Waimanalo this week:

The surf forecast for Waimanalo over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 24) at 5PM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.8m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Waimanalo in the next 12 days are 3.0m 18s and forecast to arrive on Friday (Jan 30) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 6s period and expected on Wednesday (Jan 28) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sat 24th Jan)2.5ft (0.8m) 10s
Best Surf11AM (Fri 30th Jan)10ft (3.0m) 18s
Most Powerful11AM (Fri 30th Jan)10ft (3.0m) 18s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 5mm), mostly falling on Sat morning. Warm (max 24°C on Sat afternoon, min 23°C on Fri afternoon). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Warm (max 24°C on Tue afternoon, min 23°C on Mon afternoon). Winds decreasing (fresh winds from the ENE on Mon night, calm by Tue night).

Fri
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
1
2
1
1
0
0
0
0
1
2
3
4
3
2
2
2
2
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
NNW
1.3
NNW
0.9
NNW
0.8
NNW
0.7
NNW
0.4
NW
0.4
NW
0.4
NW
0.6
N
2.3
NE
2
ENE
0.8
NNW
1.4
NNW
1.6
NNW
1.5
NNW
1.3
NNW
0.9
NNW
0.9
NW
1.5
NW
1.3
NW
3
NW
Period(s) (?)121111101014141398715151515141316151818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6473932041308371646160606418268917113699665926144396211015053
Wind
(km/h)
20
ENE
25
ENE
15
E
5
ESE
10
WNW
5
ENE
0
N
10
NNW
15
NE
30
ENE
20
E
15
ESE
15
E
10
E
15
S
15
W
5
NNE
10
NE
10
NNE
10
NNE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		glasscross-
off		glassglasscrossoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		glassoncross-
on		onon
High Tide
/ height (m)
6:12PM
0.32
5:32AM
0.49
7:58PM
0.35
5:35AM
0.44
10:36PM 4:52AM
0.41 0.39
12:04AM
0.51
12:51AM
0.59
1:31AM
0.65
2:09AM
0.69
12:17PM
0.25
Low Tide
/ height (m)
11:08PM
0.15
12:54PM
0.02
12:01AM
0.25
1:40PM
-0.00
2:36AM
0.33
2:40PM
-0.03
3:52PM
-0.05
5:01PM
-0.09
6:00PM
-0.12
9:15AM
0.18
Fri
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Sunrise--7:09--7:09--7:09--7:09--7:09--7:09--7:07
Sunset6:14--6:15--6:15--6:15--6:16--6:17--6:17--
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
part cloud
rain showers
rain showers
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
Rain (mm)
--122-----12---------
Temp. °C232323242424242423232323242424242424242323
Feels °C (?)212223252726262624212023252525252626252423
  • 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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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 Waimanalo 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.

View detailed surf forecast for Waimanalo at:
surf-forecast.com

Information about the Waimanalo Surf forecast

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

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

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