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Castles Surf Forecast / Okinawa / Japan

12 Day Weather and Surf, issued 2 am Wednesday 28 Sep 2022 JST
Forecast update in  hr  min  s Update imminent
Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles sea temperature is 28.7 °C (Statistics for 28 Sep 1981-2005 - mean: 27.8 max: 28.9 min: 26.7 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Castles.12
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Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles sea temperature is 28.7 °C (Statistics for 28 Sep 1981-2005 - mean: 27.8 max: 28.9 min: 26.7 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Okinawa

  1. weather stationWind Update Continuing clean conditions at Castles (calm at Naha Airport 11 km from Castles).

    Castles
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Actual: 42 min ago

Calm
4 km/h
ENE
Clean
Please reload the page to see if there are any updates.


Best Forecast Surf Conditions for Castles this week:

The surf forecast for Castles over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 28) at 6AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.7m and 11s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Castles in the next 12 days are 1.5m 11s and forecast to arrive on Wednesday (Sep 28) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 11s period and expected on Friday (Sep 30) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 28th Sep)3.5ft (1.0m) 10s
Best Surf 9AM (Wed 28th Sep)3.5ft (1.1m) 12s
Most Powerful 3PM (Wed 28th Sep)5ft (1.5m) 11s

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

Updates in  hr  min  s Update imminent
Wednesday
28
Thursday
29
Friday
30
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
332311100000000001221100001000111021
Swell
Height Map
T japan.htsgw.metric.15.cc23
T japan.htsgw.metric.39.cc23
T japan.htsgw.metric.63.cc23
T japan.htsgw.metric.87.cc23
T japan.htsgw.metric.111.cc23
T japan.htsgw.metric.135.cc23
T japan.htsgw.metric.159.cc23
T japan.htsgw.metric.183.cc23
T japan.htsgw.metric.207.cc23
T japan.htsgw.metric.231.cc23
T japan.htsgw.metric.255.cc23
T japan.htsgw.metric.279.cc23
Wave Height (m) & direction (?)
1.1
E
1.5
E
1.4
E
1.2
E
0.8
ENE
1.1
ESE
0.8
ENE
0.8
ENE
0.7
ESE
0.5
E
0.7
ESE
0.4
ENE
0.4
ENE
0.5
E
0.6
E
0.5
E
0.5
E
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.5
ENE
0.5
ENE
0.6
N
0.4
ENE
0.4
ESE
0.5
N
0.6
ENE
0.6
ENE
0.6
ESE
0.6
ESE
0.7
NE
0.7
NE
Period(s) (?)12111099899999101010101010910999999989989910101010
Wave
Graph
(?)Metric surfscale
Energy (?)35054638424911516010084684482353549695049124142133130103927647475129293350497575100100
Wind
(km/h)
10
ENE
15
E
15
ENE
10
NNE
15
ENE
15
E
15
ENE
15
E
15
E
15
E
15
ENE
15
E
10
ENE
20
ENE
20
E
15
E
15
E
15
E
10
SE
5
ESE
10
ESE
10
ENE
10
ENE
10
ENE
10
NE
10
NE
15
NNE
20
N
25
N
15
NNE
20
NNE
15
N
10
NE
10
NE
5
NE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onglasscross-
on
crosscross-
on
cross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossglasscross
High Tide
/ height (m)
8:16PM
2.15
8:59AM
2.11
8:44PM
2.13
9:42AM
1.98
9:13PM
2.08
10:31AM
1.81
9:47PM
2.01
11:35AM
1.64
10:28PM
1.91
1:14PM
1.53
11:32PM
1.79
3:19PM
1.55
1:26AM
1.71
4:28PM
1.65
3:22AM
1.77
5:09PM
1.77
4:39AM
1.92
5:43PM
1.89
5:37AM
2.07
6:15PM
2.00
6:25AM
2.18
6:45PM
2.08
Low Tide
/ height (m)
2:23PM
0.55
2:40AM
0.24
2:55PM
0.70
3:19AM
0.24
3:27PM
0.86
4:02AM
0.30
4:00PM
1.03
4:53AM
0.40
4:40PM
1.18
6:00AM
0.52
5:44PM
1.31
7:32AM
0.59
7:51PM
1.34
9:09AM
0.58
9:41PM
1.20
10:22AM
0.50
10:44PM
0.97
11:16AM
0.43
11:31PM
0.72
12:00PM
0.39
12:13AM
0.50
12:39PM
0.39
12:52AM
0.32

Note: the tide data above is for Itoman, Okinawa, Japan which is 7 km away. Surf properties and timing are calculated for Castles.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Castles blow from the NW

Wednesday
28
Thursday
29
Friday
30
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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Summaryclearrisk thund- derclearclearrisk thund- derclearrisk thund- dersome cloudssome cloudssome cloudssome cloudsclearsome cloudsrisk thund- derclearsome cloudsclearrisk thund- derclearclearclearclearclearrisk thund- derclearclearclearclearsome cloudscloudysome cloudssome cloudsclearclearclearclear
Rain (mm)
-2--1-2------1---1-----3------------
Temp. °C282827282827272827272727272727272727282827282827272726262625262624252625
Low °C272827272827272727272726272726272727272826272726262725262525252524252624
Feels °C (?)313029313129303028292928292728292830323229313029302927272525262624272927
Sunrise6:18--6:20--6:20--6:20--6:20--6:22--6:22--6:22--6:22--6:22--6:24--6:24--
Sunset-6:20--6:19--6:16--6:15--6:15--6:14--6:13--6:12--6:10--6:09--6:08--6:07-

Short Range Forecast: Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 28°C on Wed morning, min 27°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 27°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Wed night. Warm (max 28°C on Tue morning, min 25°C on Thu night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 26°C on Fri morning, min 24°C on Sat night). Wind will be generally light.

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 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 Surf forecast

The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles 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) 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 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 6 km (4 miles) from the city of Itoman. If you plan a holiday in Okinawa, look for hotels and other accommodation in Itoman. Itoman has rooms for a wide range of budgets as well as car hire and transport links.