Shelter Island surfForecast / Hong Kong / China

information circle48hr Weather and Surf, issued 1 am Friday 04 Jul 2025 HKT
Forecast update in hr  min  s Forecast update imminent
Shelter Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shelter Island sea temperature is
28.8° C
(Which is normal for this time of year)


How big are the waves at Shelter Island today?

The current surf forecast for Shelter Island at 3AM is: 0.5m 7s primary swell from a East direction (forecast issued at 01:00am July 04). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HKT) & DateWave HeightWave Period
Morning (04 Jul)2ft (0.6m)7s
Afternoon (04 Jul)2.5ft (0.8m)7s
Evening (04 Jul)3ft (0.9m)6s

Table - waves today at Shelter Island. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
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 (?)
0.5
E
0.5
ESE
0.5
E
0.6
E
0.6
E
0.7
E
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
E
0.5
E
0.5
E
0.4
ESE
0.4
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.1
SE
0.1
SE
0.2
ESE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
Period(s) (?)7777777677777776666666559999910101010101010121212121212121211101010111111111112121212121111
Wave
Graph
(?)Metric surfscale
Energy (?)2831304138457370697152595853495139383835172518171313101110115494445511566555444445555555555
Wind
(km/h)
10
SE
5
E
5
ENE
5
ENE
10
E
15
E
15
ESE
10
ESE
10
ESE
10
ENE
5
NE
5
NE
5
E
10
SE
10
SSE
10
SE
5
SSE
5
S
0
NW
0
W
5
S
10
S
15
S
10
S
10
S
10
SSE
5
S
5
SE
10
SE
10
SSE
15
S
10
SSW
10
SW
10
WSW
5
WSW
5
WSW
15
SW
20
SW
20
SW
15
SSW
15
SW
15
SW
10
SW
5
W
5
SW
10
SSW
10
S
10
SSE
5
SE
5
ESE
10
ENE
15
ENE
20
E
25
E
20
E
15
E
15
E
15
E
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
ononononglassglassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassononcross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrossglassglasscross-
on
cross-
on
cross-
on
oncross-
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)
4:37AM
1.23
1:20PM
0.93
4:33AM
1.33
2:19PM
0.77
6:50PM
0.78
4:19AM
1.44
8:15PM
0.79
4:50AM
1.55
9:23PM
0.81
5:32AM
1.65
10:19PM
0.82
6:18AM
1.74
11:06PM
0.82
7:05AM
1.82
11:47PM
0.81
7:51AM
1.88
Low Tide
/ height (m)
8:42PM
0.52
9:50AM
0.74
9:14PM
0.60
11:02AM
0.63
4:20PM
0.74
9:47PM
0.68
12:06PM
0.50
10:24PM
0.74
1:03PM
0.38
11:04PM
0.78
1:53PM
0.27
11:48PM
0.80
2:40PM
0.18
12:33AM
0.80
3:25PM
0.11
1:19AM
0.79
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sunrise---5:43-------5:43-------5:43-------5:43-------5:43-------5:43-------5:45-------5:45
Sunset------7:10-------7:10-------7:10-------7:09-------7:09-------7:09-------7:09-----
clearthunderstorm thunderstorm clearpart cloudclearclearthunderstorm clearclearclearthunderstorm clearclearpart cloudpart cloudclearthunderstorm clearclearpart cloudpart cloudclearclearpart cloudpart cloudpart cloudclearpart cloudthunderstorm clearclearclearthunderstorm thunderstorm clearclearclearclearclearthunderstorm thunderstorm thunderstorm thunderstorm clearclearclearclearthunderstorm thunderstorm part cloudthunderstorm thunderstorm thunderstorm part cloudpart cloudthunderstorm thunderstorm thunderstorm part cloud
Rain (mm)
-11----1---1-----1-----------1---12-----1113----11-221--111-
Temp. °C282828282929292828282728303030292828282930303029282828282930302928282829303030292828282931313130292928282929292828272728
Feels °C (?)323332323231323232333232343333343334343534333333333334333334343333333333323233333232333436343435343432313130313132302930
  • 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

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