Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 16 Jul 2025 HST
Forecast update in hr  min  s Forecast 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
26.0° C
(Which is normal for this time of year)


How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 9PM is: 1.6m 7s primary swell from a East-northeast direction and 0.2m 13s secondary swell from a South direction (forecast issued at 07:00pm July 16). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (16 Jul)--
Afternoon (16 Jul)5.5ft (1.7m)7s
Evening (16 Jul)5ft (1.6m)7s

Table - waves today at Castles Beach. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thu
24
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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
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 (?)
1.7
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.6
ENE
1.7
ENE
1.7
ENE
1.4
NE
1.5
ENE
1.4
NE
1.6
NE
1.6
NE
1.6
NE
1.6
NE
1.6
NE
1.7
NE
1.6
NE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.7
ENE
1.6
ENE
1.5
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.5
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.7
ENE
1.8
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.7
E
1.7
E
1.8
E
1.9
E
1.9
ENE
1.8
E
1.7
E
Period(s) (?)777777777777888899999888888888888888887799977776666666677777
Wave
Graph
(?)Metric surfscale
Energy (?)300308287280250269269283265265243265272325370397433465441402400418409405441362388350333316298323317310340307265233227222327327360238231231230208226248233254243253245290398394416324
Wind
(km/h)
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
E
25
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
E
25
E
25
E
20
ENE
25
ENE
30
E
25
E
25
E
25
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
30
E
30
ENE
30
E
30
ENE
30
E
30
ENE
30
ENE
30
E
30
ENE
30
E
30
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
onononononcross-
on
oncross-
on
onononononcross-
on
cross-
on
ononononononononononononononononononononononononononononononononononon
High Tide
/ height (m)
6:09PM
0.70
8:40AM
0.56
6:28PM
0.62
10:32AM
0.65
6:29PM
0.56
11:49AM
0.74
12:42PM
0.82
1:27PM
0.89
11:11PM
0.42
2:08PM
0.92
12:26AM
0.43
2:45PM
0.94
1:22AM
0.45
Low Tide
/ height (m)
1:29AM
0.20
1:03PM
0.49
2:16AM
0.16
4:12PM
0.55
3:12AM
0.13
4:13AM
0.10
5:13AM
0.06
9:01PM
0.40
6:09AM
0.03
9:19PM
0.38
6:58AM
0.01
9:41PM
0.36
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thu
24
Sunrise-----5:58-------5:58-------5:58-------5:58-------5:58-------6:00-------6:00------
Sunset7:15-------7:15-------7:15-------7:15-------7:15-------7:14-------7:14-------7:14---
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Rain (mm)
------------1-----------------------------------------------
Temp. °C262726262526262525252525252525262525252525252525252525252525252525252525252525252525252525252526252525252525252525252425
Feels °C (?)242423232224242323242424252425252424242424242424242424242424242524242424242423232424232323232224232323232323232323232224
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Oahu

  1. weather stationWind Update Wind reports 3 km away suggest it is still onshore at Castles Beach (moderate winds from the ENE at Kaneohe Bay Marine Corps Airfield Airport). 1.4m 8s swell from the ENE with a 0.3m 13s groundswell from the S and a 0.3m 9s swell from the SSE. Swells combining to make to make bigger set waves.

    Castles Beach
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2 h 16 min ago

22 km/h
ENE
Onshore
Please reload the page to see if there are any updates.

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