Surf Forecast Surf Report
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Castles Beach surf break
Beach
Castles Beach location map

Castles Beach surf Forecast / HAW – Oahu / USA

12 Day Weather and Surf, issued 7 am Thursday 25 Apr 2024 HST
Forecast update in  hr  min  s Update imminent
Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles Beach sea temperature is 24.4°C (Statistics for 25 Apr 1981-2005 - mean: 24.6 °C max: 25.5 °C min: 23.8 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles Beach sea temperature is 24.4°C (Statistics for 25 Apr 1981-2005 - mean: 24.6 °C max: 25.5 °C min: 23.8 °C)


Best Forecast Surf Conditions for Castles Beach this week:

The surf forecast for Castles Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 28) at 8PM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 1.3m and 8s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Castles Beach in the next 12 days are 2.5m 8s and forecast to arrive on Thursday (Apr 25) 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 0.8m 14s period and expected on Saturday (Apr 27) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 28th Apr)4.5ft (1.4m) 8s
Best Surf 8PM (Sun 28th Apr)4.5ft (1.4m) 8s
Most Powerful11AM (Thu 25th Apr)8ft (2.5m) 8s

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

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Quick surf report for Castles Beach:

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Updates in  hr  min  s Update imminent
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
E
2.3
E
2.1
E
2
E
1.8
ENE
1.9
E
1.8
E
1.6
E
1.4
E
1.5
E
1.4
E
1.4
E
1.1
ENE
1.3
E
1.2
E
1
E
1
E
0.8
E
1.2
E
1.2
E
1.7
E
1.8
E
1.7
E
2.1
E
2.1
E
2.1
E
2.3
E
2.4
E
2.2
E
2.3
E
2.1
E
2.2
E
2.2
ENE
2
E
2.4
ENE
2.4
ENE
Period(s) (?)888888888888888888888787778888888888
Wave
Graph
(?)Metric surfscale
Energy (?)83260949647540643039131823926324125315521219113313689205205368289365440445483625698596625523551556471640707
Wind
(km/h)
40
E
35
ENE
35
E
30
E
25
E
25
E
25
E
20
E
20
E
20
E
15
ENE
20
E
20
E
15
ENE
15
E
20
ENE
20
ENE
20
ENE
25
E
25
ENE
30
E
30
E
35
E
30
ENE
30
E
35
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononononononononononcross-
on
onononononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:03PM
0.82
2:23AM
0.51
4:45PM
0.81
2:29AM
0.48
5:35PM
0.79
1:58AM
0.46
6:39PM
0.77
7:55PM
0.76
9:09PM
0.76
8:36AM
0.33
10:07PM
0.77
10:56AM
0.42
10:53PM
0.76
11:57AM
0.53
11:31PM
0.74
12:44PM
0.65
12:06AM
0.70
1:28PM
0.76
12:37AM
0.65
2:10PM
0.85
1:07AM
0.60
Low Tide
/ height (m)
8:38AM
0.06
10:29PM
0.41
9:04AM
0.06
11:26PM
0.44
9:33AM
0.07
1:19AM
0.46
10:07AM
0.09
10:50AM
0.14
11:51AM
0.20
6:23AM 1:41PM
0.32 0.26
5:50AM
0.28
3:40PM
0.30
6:00AM
0.22
5:09PM
0.32
6:19AM
0.16
6:19PM
0.33
6:42AM
0.10
7:21PM
0.34
7:08AM
0.04
8:19PM
0.36
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Sunrise6:03--6:01--6:01--6:01--6:00--6:00--5:58--5:58--5:58--5:56--5:56--5:56--
Sunset-6:53--6:53--6:54--6:54--6:54--6:55--6:55--6:57--6:57--6:57--6:58--6:58-
clearclearpart cloudrain showerspart cloudrain showersrain showersrain showersrain showersrain showersclearclearpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudclearpart cloudpart cloudrain showerspart cloudrain showersclearrain showersclearclearrain showerspart cloudrain showerspart cloudpart cloudpart cloudclear
Rain (mm)
---1-53231------------1-1-1--2-1----
Temp. °C222222232323232323232323232323232423232323232323232323232322222222222322
Feels °C (?)171717202121222322232323222323232322222121212020202020192018191818202019

Short Range Forecast: Moderate rain (total 14mm), heaviest on Fri night. Warm (max 23°C on Fri morning, min 22°C on Thu morning). Mainly strong winds.

Days 3-6 Weather Summary Some drizzle, heaviest during Sun morning. Warm (max 24°C on Tue afternoon, min 22°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 23°C on Wed morning, min 22°C on Fri night). Mainly fresh winds.

Long Range Forecast: Light rain (total 3mm), mostly falling on Sat night. Warm (max 23°C on Sat morning, min 22°C on Sat night). Mainly fresh winds.

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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 Castles Beach 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 Castles Beach Surf forecast

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

Castles is 2 km (1 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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