Bicas Surf Forecast

/ Lisboa (31 surf breaks) /

Portugal (226 surf breaks)

Surf Forecasts:

Bicas surfForecast / Lisboa / Portugal

12 Day Weather and Surf, issued 5 pm Monday 10 Nov 2025 WET

Forecast update in hr min s Forecast update imminent

Bicas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Bicas sea temperature is 17.9° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Bicas this week:

The surf forecast for Bicas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Nov 10) at 9PM. The primary swell is predicted to be 2.5m and 15s period with a secondary swell of 0.1m and 20s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bicas in the next 12 days are 4.0m 11s and forecast to arrive on Saturday (Nov 15) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Wednesday (Nov 12) at 12PM.

Wave Type	Time (WET) & Date	Wave Height & Period
Next good surf (1 star+)	9PM (Mon 10th Nov)	8ft (2.5m) 15s
Best Surf	9PM (Mon 10th Nov)	8ft (2.5m) 15s
Most Powerful	9AM (Sat 15th Nov)	13ft (4.0m) 11s

Table - best surf conditions forecast for Bicas over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Heavy rain (total 35mm), heaviest during Wed afternoon. Warm (max 20°C on Wed morning, min 15°C on Wed afternoon). Winds increasing (light winds from the SW on Mon afternoon, strong winds from the S by Wed morning).											Days 3-6 Weather Summary Heavy rain (total 54mm), heaviest during Sat night. Very mild (max 18°C on Sat afternoon, min 16°C on Fri afternoon). Winds decreasing (near gales from the SSW on Thu afternoon, light winds from the WNW by Sun morning).
	Mon 10		Tuesday 11			Wednesday 12			Thursday 13			Friday 14			Saturday 15			Sunday 16
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	4	4	3	2	3	2	2	1	0	2	0	0	0	0	0	2	2	3	1	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	W	W	SW	SSW	SSW	SSW	SSW	SW	SW	SW	W	W	W	NW	W	WNW	W
Period(s) (?)	16	15	14	14	13	13	9	8	9	10	10	10	9	9	11	12	11	11	10	9	8
Wave Graph (?)
kJ (?)	3415	2825	2137	1628	3153	3614	1437	1087	2100	2659	2600	1660	1957	1651	4400	4393	2301	604	938	389	727
Wind (km/h)	WSW	S	S	S	S	S	W	SSE	S	S	WSW	SW	SW	SW	WSW	WSW	SW	WNW	W	W	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- on	cross- off	cross- off	cross- off	cross	cross	cross	cross	cross	cross	cross	on	cross- on	cross- on	cross- on
High Tide / height (m)		6:17PM 2.73	6:38AM 2.94		7:33PM 2.57	7:55AM 2.82		8:57PM 2.52	9:16AM 2.79		10:12PM 2.58	10:27AM 2.84		11:10PM 2.70	11:22AM 2.92		11:55PM 2.82		12:07PM 2.99	12:33AM 2.94
Low Tide / height (m)		12:11AM 1.24		1:13PM 1.12	1:28AM 1.40		2:40PM 1.20	2:58AM 1.44		4:00PM 1.18		4:16AM 1.36	5:01PM 1.10		5:14AM 1.24	5:48PM 1.02		6:00AM 1.12		6:25PM 0.96	6:39AM 1.01

	Mon 10		Tuesday 11			Wednesday 12			Thursday 13			Friday 14			Saturday 15			Sunday 16
Sunrise	-	-	7:13	-	-	7:13	-	-	7:15	-	-	7:16	-	-	7:16	-	-	7:18	-	-	7:18
Sunset	5:28	-	-	5:27	-	-	5:25	-	-	5:25	-	-	5:24	-	-	5:23	-	-	5:22	-	-

Rain (mm)	-	-	-	-	1	2	13	13	6	7	10	4	7	5	3	2	15	1	-	7	2
Temp. °C	18	17	18	18	19	20	15	19	18	17	17	17	17	17	17	18	18	18	18	17	17
Feels °C (?)	17	16	15	14	14	12	13	12	10	10	11	10	10	10	10	13	14	16	15	14	13

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

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Information about the Bicas Surf forecast

The above surf forecast table for Bicas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Bicas can be found by selecting the local surf guide option on the grey menu. Our Bicas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bicas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Bicas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Bicas is 9 km (6 miles) from Sesimbra. If you plan a holiday in Lisboa, look for hotels and other accommodation in Sesimbra. Sesimbra has rooms for a wide range of budgets as well as car hire and transport links.