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Surf Forecasts:

Waimanalo surf break

Waimanalo surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Friday 13 Feb 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
24.4° 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 Friday (Feb 20) at 2PM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 0.6m and 13s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Waimanalo in the next 12 days are 3.5m 9s and forecast to arrive on Sunday (Feb 15) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Friday (Feb 20) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Fri 20th Feb)10ft (3.0m) 9s
Best Surf 2PM (Fri 20th Feb)10ft (3.0m) 9s
Most Powerful 5PM (Sun 15th Feb)11ft (3.5m) 9s

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 Some drizzle, heaviest during Sun afternoon. Warm (max 23°C on Fri night, min 22°C on Fri night). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Tue afternoon, min 22°C on Mon night). Mainly strong winds.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
ENE
2.5
ENE
2.5
ENE
2.5
ENE
3
ENE
3.5
ENE
3
ENE
3
ENE
3
ENE
3.5
ENE
3
ENE
3
ENE
3
ENE
3.5
ENE
3.5
ENE
3.5
E
3.5
E
3
E
3.5
E
3
E
2.5
E
Period(s) (?)8889109998999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)640977909110216422114162212301072185516221461165519141889172119081437175914061032
Wind
(km/h)
35
E
35
E
35
E
30
E
45
E
45
ENE
45
ENE
45
ENE
45
ENE
40
E
45
E
40
E
40
E
35
E
30
E
35
E
35
E
35
E
35
E
20
ESE
20
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
2:17AM
0.59
12:38PM
0.25
2:40AM
0.61
1:17PM
0.29
3:01AM
0.62
1:57PM
0.32
3:21AM
0.61
2:39PM
0.35
3:40AM
0.59
3:24PM
0.38
3:57AM
0.56
4:13PM
0.41
4:13AM
0.52
5:07PM
0.42
Low Tide
/ height (m)
8:50AM
0.16
6:56PM
-0.09
8:59AM
0.14
7:30PM
-0.10
9:15AM
0.12
8:04PM
-0.09
9:34AM
0.09
8:38PM
-0.07
9:56AM
0.06
9:14PM
-0.02
10:20AM
0.02
9:53PM
0.05
10:46AM
-0.01
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise-7:01--7:01--7:00--7:00--6:58--6:58--6:58-
Sunset--6:28--6:28--6:29--6:29--6:30--6:30--6:30
part cloud
cloud
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
Rain (mm)
-----1---------------
Temp. °C232323232322222222222223222323232323232323
Feels °C (?)191918191916151515151517161819201818182021
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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