Terceira - Sao Mateus da Calherta Surf Forecast

/ Azores (27 surf breaks) /

Portugal (220 surf breaks) / Lat Long: (38.65° N 27.28° W)

Surf Forecasts:

Terceira - Sao Mateus da Calherta surfForecast / Azores / Portugal

12 Day Weather and Surf, issued 5 pm Wednesday 20 Aug 2025 +00

Forecast update in hr min s Forecast update imminent

Terceira - Sao Mateus da Calherta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Terceira - Sao Mateus da Calherta sea temperature is 24.0° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Terceira - Sao Mateus da Calherta this week:

The surf forecast for Terceira - Sao Mateus da Calherta over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 23) at 3AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.5m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Terceira - Sao Mateus da Calherta in the next 12 days are 1.3m 20s and forecast to arrive on Monday (Aug 25) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 17s period and expected on Monday (Aug 25) at 6AM.

Wave Type	Time (+00) & Date	Wave Height & Period
Next good surf (1 star+)	3AM (Sat 23rd Aug)	4.5ft (1.4m) 7s
Best Surf	3AM (Sat 23rd Aug)	4.5ft (1.4m) 7s
Most Powerful	12AM (Mon 25th Aug)	4.5ft (1.3m) 20s

Table - best surf conditions forecast for Terceira - Sao Mateus da Calherta over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 5mm), mostly falling on Fri night. Warm (max 24°C on Fri morning, min 20°C on Wed night). Wind will be generally light.											Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Warm (max 24°C on Sat afternoon, min 20°C on Mon night). Wind will be generally light.
	Wed 20		Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	0	0	0	0	0	2	1	1	0	0	1	1	1	1	0	0	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	S	WSW	W	S	WSW	SW	SW	S	S	S	W	W	W	S	S	S	N	W	W	S
Period(s) (?)	10	16	8	8	19	8	8	7	16	16	15	20	20	20	13	13	13	10	12	11	12
Wave Graph (?)
Energy (?)	145	82	97	80	187	313	406	341	296	262	202	486	684	1666	152	123	82	0	180	103	79
Wind (km/h)	SSW	S	SSE	S	S	S	SSW	WSW	N	NW	S	SSW	SW	WSW	N	N	NNE	N	NNE	NNE	NNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	on	on	on	on	on	cross- on	cross- on	off	cross- off	glass	on	cross- on	cross- on	off	off	off	off	cross- off	cross- off	off
High Tide / height (m)		12:43AM 1.48		1:02PM 1.65	1:27AM 1.52		1:44PM 1.68	2:08AM 1.53		2:24PM 1.68	2:46AM 1.53		3:01PM 1.65		3:23AM 1.51	3:36PM 1.59		3:58AM 1.47	4:11PM 1.51		4:34AM 1.42
Low Tide / height (m)		6:37PM 0.45	6:45AM 0.46		7:22PM 0.40	7:27AM 0.43		8:03PM 0.39	8:07AM 0.42		8:40PM 0.39	8:45AM 0.44		9:16PM 0.43	9:21AM 0.48		9:50PM 0.48	9:56AM 0.54		10:22PM 0.54	10:32AM 0.61

	Wed 20		Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26
Sunrise	-	-	7:07	-	-	7:07	-	-	7:09	-	-	7:09	-	-	7:11	-	-	7:11	-	-	7:13
Sunset	8:37	-	-	8:36	-	-	8:34	-	-	8:32	-	-	8:30	-	-	8:30	-	-	8:29	-	-

Rain (mm)	-	-	-	-	-	-	1	4	-	-	-	-	-	1	1	-	-	-	-	-	-
Temp. °C	23	22	23	23	23	24	24	23	23	24	22	23	24	24	22	23	21	22	22	20	21
Feels °C (?)	25	24	22	22	23	23	22	23	25	25	24	24	25	25	21	22	20	21	20	19	21

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 Azores

Wind Update Continuing clean conditions at Terceira - Sao Mateus da Calherta (calm at Angra DO Heroismo (Acores) 5 km from Terceira - Sao Mateus da Calherta). 0.7m 10s swell from the W with a 0.3m 12s groundswell from the ESE and a 0.2m 14s groundswell from the S as well as a 0.2m 2s local chop from the SW. 4 swells combining to make bigger set waves.
2 hours 43 minutes ago Terceira - Sao Mateus da Calherta

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2 h 43 min ago

4 km/h

SSE

Clean

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Information about the Terceira - Sao Mateus da Calherta Surf forecast

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

Are you planning a holiday in The Azores? If you are looking for accommodation near Terceira - Sao Mateus da Calherta, camping, hotels and holiday cottages in The Azores, consider staying in Angra do Heroísmo which is 5 km (3 miles) away.