Green Bay Surf Forecast

/ North (7 surf breaks) /

Taiwan (13 surf breaks)

Surf Forecasts:

Green Bay surfForecast / North / Taiwan

48hr Weather and Surf, issued 7 pm Monday 15 Sep 2025 CST

Forecast 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 29.4° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Green Bay today?

The current surf forecast for Green Bay at 11PM is: 0.9m 5s primary swell from a East-southeast direction and 0.3m 9s secondary swell from a East-southeast direction, 0.2m 11s secondary swell from a East direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-shore.

Time (CST) & Date	Wave Height	Wave Period
Morning (15 Sep)	-	-
Afternoon (15 Sep)	3ft (0.9m)	4s
Evening (15 Sep)	3.5ft (1.1m)	5s

Table - waves today at Green Bay. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
	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	11 AM	2 PM
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
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E
Period(s) (?)	4	5	5	5	5	5	9	4	8	4	4	5	5	5	7	7	7	7	4	4	7	7	7	6
Wave Graph (?)
Energy (?)	60	64	65	65	56	56	129	40	122	41	50	59	69	63	78	82	81	82	39	51	87	70	69	60
Wind (km/h)	SE	SE	SE	SE	SSE	SE	ESE	ESE	ESE	SE	SE	SE	SE	SE	ESE	ESE	ESE	SE	SE	SE	SE	SE	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross- off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross- on	cross- on
High Tide / height (m)		5:31PM 1.20			3:28AM 0.97					6:35PM 1.22			4:51AM 0.98					7:26PM 1.23				6:03AM 1.02
Low Tide / height (m)				11:40PM 0.89			10:46AM 0.19					12:49AM 0.85				11:55AM 0.19				1:32AM 0.80				12:55PM 0.20

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	-	-	-	5:39	-	-	-	-	-	-	-	5:39	-	-	-	-	-	-	-	5:39	-	-
Sunset	5:58	-	-	-	-	-	-	-	5:57	-	-	-	-	-	-	-	5:55	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	30	29	28	28	28	29	31	31	30	29	28	28	28	29	31	31	30	28	28	28	28	29	30	30
Feels °C (?)	31	30	29	30	30	32	33	31	31	30	29	30	31	32	32	31	31	29	28	29	29	29	28	29

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for North

Wind Update Continuing clean conditions at Green Bay (calm at Tianliaogang wx 14 km from Green Bay). 1.1m 5s windswell from the SE to make surfable waves.
52 minutes ago Green Bay

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Actual: 52 min ago

0 km/h

Clean

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