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 pm Thursday 28 Mar 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 24.0°C (Statistics for 28 Mar 1981-2005 - mean: 24.2 °C max: 25.0 °C min: 23.3 °C)
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  • 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 24.0°C (Statistics for 28 Mar 1981-2005 - mean: 24.2 °C max: 25.0 °C min: 23.3 °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 Tuesday (Apr 02) at 2AM. The primary swell is predicted to be 1.7m and 7s period with a secondary swell of 1.5m and 7s. 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 2.2m 9s and forecast to arrive on Thursday (Apr 04) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Wednesday (Apr 03) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 2nd Apr)5.5ft (1.7m) 7s
Best Surf 5AM (Tue 2nd Apr)5ft (1.6m) 7s
Most Powerful 8AM (Thu 4th Apr)7ft (2.2m) 9s

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

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Updates in  hr  min  s Update imminent
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
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
Swell
Height Map
Wave Height (m) & direction (?)
2.5
E
2.2
E
2
ENE
1.9
ENE
1.8
ENE
2
ENE
1.6
ENE
1.3
E
1.2
E
1.3
E
1.3
E
1.2
ENE
1.7
E
1.5
E
1.4
E
1.3
E
1.6
E
1.7
E
1.8
E
2.2
E
2
E
2
E
1.8
E
1.9
E
2.2
ENE
2.1
ENE
2.3
ENE
2.4
ENE
2.2
ENE
2
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
E
1.3
ENE
1.2
ENE
Period(s) (?)888787888777788888899888999999988888
Wave
Graph
(?)Metric surfscale
Energy (?)765551438375368426273196163181176160311259239208323393454777632539443513787721890921761603417346346349211202
Wind
(km/h)
35
ENE
35
ENE
30
ENE
30
E
35
E
30
ENE
20
E
20
E
20
ENE
25
ENE
25
E
20
ENE
15
ESE
20
SSE
15
SSW
5
N
20
E
20
ESE
25
ESE
30
E
30
E
35
E
40
E
40
ENE
40
E
40
E
40
ENE
35
E
35
E
35
E
30
E
25
E
20
E
10
SE
5
NNE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononononononcross-
on
cross-
off
glassonononononononononononononononononcross-
on
glasscross-
off
High Tide
/ height (m)
3:16AM
0.55
5:36PM
0.71
3:10AM
0.52
6:44PM
0.69
8:31PM
0.69
10:15PM
0.72
11:14PM
0.77
10:39AM
0.36
11:56PM
0.81
11:54AM
0.45
12:30AM
0.83
12:45PM
0.55
1:02AM
0.82
1:30PM
0.66
1:31AM
0.79
2:14PM
0.75
1:58AM
0.74
2:58PM
0.82
2:23AM
0.67
3:41PM
0.86
Low Tide
/ height (m)
10:49PM
0.42
10:03AM
0.12
11:43PM
0.48
10:31AM
0.13
11:09AM
0.15
12:10PM
0.19
2:11PM
0.22
7:20AM
0.33
4:08PM
0.21
7:06AM
0.28
5:24PM
0.20
7:16AM
0.23
6:24PM
0.19
7:34AM
0.17
7:18PM
0.20
7:56AM
0.11
8:09PM
0.24
8:20AM
0.07
8:59PM
0.29
8:45AM
0.03
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
Sunrise-6:26--6:24--6:24--6:22--6:22--6:20--6:20--6:18--6:18--6:16--6:16--6:16-
Sunset--6:45--6:45--6:45--6:45--6:45--6:45--6:46--6:46--6:46--6:47--6:47--6:47
clearclearclearclearpart cloudpart cloudpart cloudclearclearclearpart cloudclearrain showerscloudthunderstorm thunderstorm rain showersthunderstorm thunderstorm part cloudclearclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudrain showersclearrain showers
Rain (mm)
------------3-13122--------------1-1
Temp. °C222222222222222323232323222325242324242323222223222222222323222323232323
Feels °C (?)181718181919192121212122212223262424232121191718171716161819172222232525

Short Range Forecast: Mostly dry. Warm (max 23°C on Sun morning, min 22°C on Thu night). Winds decreasing (strong winds from the ENE on Thu night, light winds from the ENE by Sun afternoon).

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon night. Warm (max 25°C on Tue afternoon, min 22°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Wed night. Warm (max 24°C on Wed night, min 22°C on Wed night). Mainly strong winds.

Long Range Forecast: Light rain (total 2mm), mostly falling on Mon night. Warm (max 23°C on Sun morning, min 22°C on Sat night). Winds decreasing (strong winds from the ENE on Sat night, calm by Mon night).

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 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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