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Surf Forecasts:
Green Bay surfForecast / North / Taiwan
48hr Weather and Surf, issued 1 pm Monday 04 May 2026 CSTForecast update in hr min s Forecast update imminent
Green Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Bay sea temperature is
24.6° C
(Which is slightly cooler than normal)How big are the waves at Green Bay today?
The current surf forecast for Green Bay at 9PM is: 1.4m 6s primary swell from a Northeast direction and 0.4m 9s secondary swell from a East-southeast direction, 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 04). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 6ft (1.8m) | 7s |
| Afternoon (04 May) | 5ft (1.6m) | 7s |
| Evening (04 May) | 4.5ft (1.4m) | 6s |
Table - waves today at Green Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 59mm), heaviest during Tue morning. Warm (max 26°C on Thu morning, min 17°C on Mon night). Winds decreasing (fresh winds from the ENE on Mon night, calm by Tue night). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 7 | NE 7 | NE 6 | NE 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 7 | E 8 | E 8 | E 8 | E 7 | |
351 | 263 | 157 | 137 | 116 | 159 | 173 | 150 | 156 | 156 | 98 | 124 | 282 | 394 | 400 | 346 | 300 | 259 | 214 | 181 | 227 | 164 | 142 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | glassy | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | glassy | |
High Tide | 00:39AM1.21m | 10:21AM0.95m | 1:31AM1.18m | 10:42AM0.93m | 2:25AM1.16m | |||||||||||||||||||
Low Tide | 4:51PM0.20m | 6:09AM0.85m | 5:31PM0.22m | 7:02AM0.88m | 6:15PM0.25m | |||||||||||||||||||
 |  | |  | |  | | |  |  | | |  | | |  | | | |  |  | | |  | |
 | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | 6:25 |
1 | — | 1 | 7 | 6 | 4 | 5 | 5 | 11 | 7 | 5 | 3 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 21 | 22 | 20 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 25 |
16 | 18 | 16 | 12 | 14 | 16 | 16 | 18 | 20 | 22 | 21 | 24 | 23 | 25 | 24 | 24 | 23 | 22 | 22 | 24 | 25 | 26 | 25 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | E 9 | ESE 9 | NNE 6 | NNE 6 | NNE 6 | E 7 | E 7 | E 7 | E 6 | E 8 | ESE 7 | ESE 8 | — | ENE 8 | ENE 8 | N 7 | ENE 7 | E 7 | E 8 | E 8 | E 8 | E 7 |
 kJ | 31 | 31 | 43 | 28 | 64 | 40 | 26 | 150 | 156 | 131 | 98 | 45 | 102 | 107 | — | 346 | 300 | 1 | 214 | 181 | 159 | 164 | 142 | 85 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | NE 6 | — | — | NNE 6 | NNE 5 | NNE 5 | NNE 7 | NE 6 | — | — | — | — | — | — | N 7 | N 7 | N 6 | N 6 | N 9 | E 9 |
| kJ | 13 | 8 | 8 | 4 | 19 | — | — | 17 | 9 | 6 | 5 | 32 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 44 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 10 | — | — | — | — | NE 8 | NNE 7 | — | — | — | — | — | — | — | — | — | — | — | N 9 | NE 9 |
| kJ | — | — | — | — | 17 | — | — | — | — | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 6 | NE 6 | E 7 | E 7 | E 7 | — | — | E 7 | NNE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | — | — | ENE 7 | — | — | E 8 | — | — | — |
| kJ | 351 | 263 | 157 | 137 | 116 | 159 | 173 | — | — | 156 | 5 | 124 | 282 | 394 | 400 | — | — | 259 | — | — | 227 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1053 | 1053 | 42 | 646 | 624 | 624 | 624 | 50 | 56 | 50 | 36 | 36 | 36 | 0 | 42 | 42 | 333 | 613 | 375 | 623 | 50 | 0 | 0 | 0 |
Best forecast wave conditions in North Taiwan | ||||||||||||||||||||||||
Best forecast wave conditions in Taiwan | ||||||||||||||||||||||||
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