Surf Forecasts:
How big are the waves at Green island today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 3ft (0.9m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 3.5ft (1.0m), 16s period with ESE swell.
- Evening surf: Evening surf (20 Oct, local time) - 7ft (2.1m), 15s period with E swell.
The current surf forecast for Green island at 6PM is: 1.2m 15s primary swell from a East-southeast direction and 1.4m 9s secondary swell from a East direction (forecast issued at 01:00pm October 20). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 3ft (0.9m) | 9s |
| Afternoon (20 Oct) | 3.5ft (1.0m) | 16s |
| Evening (20 Oct) | 7ft (2.1m) | 15s |
Table - waves today at Green island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Fri morning. Warm (max 28°C on Tue afternoon, min 26°C on Wed night). Winds increasing (moderate winds from the NE on Tue afternoon, extremely windy from the NNW by Fri morning). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ESE 17 | ESE 16 | ESE 15 | E 14 | E 16 | E 16 | E 16 | E 16 | ESE 16 | ESE 17 | ESE 18 | ESE 18 | ESE 18 | ESE 18 | ESE 18 | E 18 | E 18 | E 18 | E 17 | E 16 | E 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 311 | 441 | 657 | 1653 | 2936 | 3430 | 3601 | 4598 | 4773 | 6946 | 8175 | 9505 | 11965 | 16242 | 23709 | 28376 | 30818 | 32179 | 28477 | 23963 | 21519 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off |
High Tide | 2:57PM0.99m | 1:53AM1.16m | 3:25PM1.09m | 2:57AM1.23m | 3:51PM1.19m | ||||||||||||||||
Low Tide | 7:49PM0.80m | 8:52AM0.44m | 8:55PM0.67m | 9:31AM0.39m | 9:40PM0.52m | ||||||||||||||||
 | | |  | | | | | | | | | | |  |  | | |  | |  | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 29 | 27 | 29 | 27 | 26 | 25 | 24 | 23 | 21 | 20 | 18 | 17 | 16 | 15 | 15 | 15 | 14 | 13 | 16 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 14 | E 16 | E 16 | E 16 | E 16 | ESE 16 | ESE 17 | ESE 18 | ESE 18 | ESE 18 | ESE 18 | ESE 18 | E 18 | E 18 | E 18 | E 17 | E 16 | E 16 |
| kJ | 235 | 275 | 325 | 1653 | 2936 | 3430 | 3601 | 4598 | 4773 | 6946 | 8175 | 9505 | 11965 | 16242 | 23709 | 28376 | 30818 | 32179 | 28477 | 23963 | 21519 |
Swell 2 Height (m) Direction Period (s) | ESE 17 | ESE 16 | ESE 15 | ESE 18 | ENE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 311 | 441 | 657 | 360 | 65 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NE 8 | N 7 | ENE 11 | ENE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 35 | 1 | 11 | 67 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 7 | — | — | ENE 10 | — | — | NE 5 | NE 6 | NE 6 | NE 7 | NNE 8 | NNE 9 | NNE 10 | NNE 10 | NNE 11 | NNE 11 | NNE 12 | NNE 12 | NNE 12 | NNE 12 |
| kJ | — | 2 | — | — | 125 | — | — | 61 | 178 | 412 | 1019 | 2067 | 3116 | 4373 | 5859 | 8491 | 10488 | 11720 | 14044 | 14674 | 14884 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 696 | 778 | 79 | 290 | 290 | 290 | 79 | 515 | 678 | 678 | 696 | 591 | 591 | 610 | 591 | 591 | 515 | 610 | 618 | 610 | 515 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||
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