Bikini Surf Forecast

/ South (25 surf breaks) /

Uruguay (54 surf breaks) / Lat Long: (34.88° S 54.77° W)

Surf Forecasts:

Bikini surfForecast / South / Uruguay

12 Day Weather and Surf, issued 8 pm Wednesday 17 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Bikini sea temperature is 13.9° C
(Which is 2.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Bikini this week:

The surf forecast for Bikini over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 12AM. The primary swell is predicted to be 0.7m and 12s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bikini in the next 12 days are 1.7m 9s and forecast to arrive on Monday (Sep 22) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Saturday (Sep 20) at 6PM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	12AM (Thu 18th Sep)	2.5ft (0.7m) 12s
Best Surf	12AM (Thu 18th Sep)	2.5ft (0.7m) 12s
Most Powerful	3AM (Mon 22nd Sep)	5.5ft (1.7m) 9s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Light rain (total 5mm), mostly falling on Sat morning. Warm (max 22°C on Fri morning, min 13°C on Fri night). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat afternoon).										Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Sat night. Very mild (max 19°C on Sat night, min 9°C on Tue afternoon). Mainly strong winds.
		Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wed 24
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	1	0	0	1	1	0	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	ESE	SE	ESE	E	E	E	E	S	E	SSW	SSW	S	S	SSE	S	S	SSE	SSE	SSE	SSE
Period(s) (?)	12	12	12	11	7	8	8	8	9	6	7	8	9	10	10	6	8	8	8	9	10
Wave Graph (?)
kJ (?)	154	94	67	48	83	93	86	88	25	23	198	448	342	392	294	180	253	229	160	146	163
Wind (km/h)	NE	ENE	NE	NE	N	SSE	E	ENE	NE	N	WSW	SW	SSW	WSW	SW	SW	SSW	SW	ESE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	cross- off	cross- off	cross- off	off	cross- on	cross- off	cross- off	cross- off	cross- off	cross- on	on	on	cross- on	on	on	on	on	cross	cross- off	cross- off
High Tide / height (m)		4:43AM 0.21	5:04PM 0.29		5:39AM 0.23		6:07PM 0.28	6:27AM 0.25		7:02PM 0.28	7:11AM 0.27		7:52PM 0.27	7:53AM 0.29		8:38PM 12:53AM 0.26 0.20	8:33AM 0.31		9:22PM 1:54AM 0.25 0.20	9:12AM 0.32
Low Tide / height (m)	12:18AM 0.07		12:21PM 0.12	1:18AM 0.08		1:29PM 0.10	2:12AM 0.09		2:28PM 0.08		3:01AM 0.11	3:19PM 0.06		3:45AM 0.12	4:06PM 0.04	12:17AM 0.20	4:25AM 0.14	4:49PM 0.03	12:41AM 0.19	5:02AM 0.15	5:31PM 0.03

		Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wed 24
Sunrise	-	6:33	-	-	6:33	-	-	6:31	-	-	6:30	-	-	6:28	-	-	6:26	-	-	6:26	-
Sunset	-	-	6:31	-	-	6:31	-	-	6:32	-	-	6:34	-	-	6:35	-	-	6:35	-	-	6:36

Rain (mm)	-	-	-	-	-	-	-	2	3	11	-	-	-	2	3	5	-	-	-	-	-
Temp. °C	18	18	19	18	22	20	15	18	20	19	15	13	12	14	14	12	11	11	9	11	13
Feels °C (?)	16	14	16	18	23	20	14	15	18	16	9	8	6	11	11	10	4	5	6	7	8

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 South

Wind Update The wind is still cross-off at Bikini (light winds from the E at Punta del Este wx 19 km from Bikini). A 0.8m groundswell from the ESE
2 hours 25 minutes ago Bikini

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19 km away, 2 h 25 min ago

16 km/h

0.0

13.9

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bikini surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Bikini Surf forecast

The above surf forecast table for Bikini provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Bikini can be found by selecting the local surf guide option on the grey menu. Our Bikini 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 (Bikini) 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 Bikini 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.

Bikini is 17 km (11 miles) from the city of San Carlos. If you plan a holiday in Uruguay - South, look for hotels and other accommodation in San Carlos. San Carlos has rooms for a wide range of budgets as well as car hire and transport links.