Surf Forecasts:
How big are the waves at Shelter Island today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 0.5ft (0.1m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 0.5ft (0.1m), 10s period with SE swell.
- Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.1m), 10s period with SE swell.
The current surf forecast for Shelter Island at 1PM is: 0.1m 10s primary swell from a Southeast direction (forecast issued at 07:00am June 21). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 0.5ft (0.1m) | 10s |
| Afternoon (21 Jun) | 0.5ft (0.1m) | 10s |
| Evening (21 Jun) | 0.5ft (0.1m) | 10s |
Table - waves today at Shelter Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 6 | ESE 14 | SSW 6 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 13 | ESE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 8 | 8 | 8 | 9 | 20 | 18 | 32 | 40 | 39 | 61 | 58 | 116 | 154 | 149 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross |
High Tide | 3:55AM1.00m | 12:07PM1.44m | 4:27AM1.11m | 12:43PM1.20m | 4:56AM1.23m | 1:22PM0.98m | ||||||||||||||||||
Low Tide | 6:51AM0.86m | 8:18PM0.33m | 8:13AM0.85m | 8:50PM0.44m | 9:35AM0.78m | 9:21PM0.54m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | 5:39 |
 | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | 7:09 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 30 | 29 | 28 | 28 | 28 |
Feels °C | 31 | 32 | 32 | 31 | 32 | 32 | 33 | 31 | 31 | 31 | 32 | 31 | 31 | 32 | 31 | 30 | 31 | 32 | 32 | 33 | 32 | 32 | 33 | 34 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 7 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 8 | ESE 14 | ESE 13 | SSW 6 | SE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 13 | ESE 13 |
| kJ | 47 | 47 | 4 | 4 | 4 | 4 | 35 | 4 | 4 | 3 | 8 | 8 | 8 | 8 | 5 | 18 | 17 | 31 | 39 | 61 | 58 | 116 | 154 | 149 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | — | — | — | — | SE 10 | — | — | — | — | — | — | SE 15 | SE 15 | E 8 | ESE 9 | SE 12 | ESE 9 | ESE 9 | ESE 9 | — | — | — |
| kJ | 4 | 4 | — | — | — | — | 4 | — | — | — | — | — | — | 9 | 8 | 5 | 8 | 40 | 8 | 8 | 8 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | — | SE 9 | SE 9 | — | SE 9 | — | SE 16 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | 3 | 3 | — | 3 | — | 10 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 |
| kJ | — | — | 47 | 35 | 35 | 35 | — | 26 | 25 | 23 | 26 | 26 | 25 | 25 | 20 | 33 | 32 | — | 30 | 30 | 38 | 27 | 29 | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 665 | 677 | 677 | 677 | 677 | 667 | 733 | 745 | 677 | 665 | 665 | 677 | 677 | 665 | 665 | 665 | 264 | 665 | 665 | 677 | 677 | 665 | 665 | 13 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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