Surf Forecasts:
Terceira - Sao Mateus da Calherta surf forecast from 17 Oct 2026:
- Best quality surf: Saturday 17 Oct, 6PM (local time) - 1.5ft (0.5m), 10s period, W swell with glassy winds.
- Most powerful swell: Friday 23 Oct, 6AM (local time) - 5ft (1.6m), 6s period, SW swell with 193 kJ wave energy.
- Next surfable swell (1★+): Saturday 17 Oct, 6PM (local time) - 1.5ft (0.5m), 10s period with W swell.
Best Forecast Surf Conditions for Terceira - Sao Mateus da Calherta this week:
The surf forecast for Terceira - Sao Mateus da Calherta over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Oct 17) at 6PM. The primary swell is predicted to be 0.5m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Terceira - Sao Mateus da Calherta in the next 16 days are 1.6m 6s and forecast to arrive on Friday (Oct 23) at 6AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Tuesday (Oct 20) at 12PM.
| Wave Type | Time (+00) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sat 17th Oct) | 1.5ft (0.5m) 10s |
| Best Surf | 6PM (Sat 17th Oct) | 1.5ft (0.5m) 10s |
| Most Powerful | 6AM (Fri 23rd Oct) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for Terceira - Sao Mateus da Calherta over the next 16 days.
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 19°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Tue morning. Warm (max 20°C on Mon afternoon, min 16°C on Tue afternoon). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the NNE by Tue morning). | |||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 11 | S 11 | SSE 5 | SSE 4 | W 9 | W 9 | W 8 | WSW 8 | ESE 7 | NW 13 | ENE 10 | ENE 10 | NE 10 | S 16 | NW 10 | S 15 | WSW 4 | S 14 | S 13 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 145 | 37 | 22 | 12 | 59 | 56 | 49 | 20 | 10 | 0 | 0 | 0 | 0 | 46 | 0 | 39 | 11 | 36 | 56 | 136 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | glassy | glassy | cross-off | cross-off | cross | cross-on | on | cross-off | off | cross-off | cross-off | cross | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:42PM1.26m | 6:17AM1.34m | 6:31PM1.19m | 7:14AM1.29m | 7:40PM1.15m | 8:26AM1.27m | 9:06PM1.15m | 9:41AM1.29m | 10:24PM1.20m | 10:44AM1.34m | 11:22PM1.28m | 11:34AM1.41m | 00:07AM1.37m | |||||||
Low Tide | 11:41PM0.71m | 12:32PM0.80m | 00:29AM0.78m | 1:41PM0.84m | 1:38AM0.82m | 3:08PM0.83m | 3:07AM0.83m | 4:22PM0.78m | 4:23AM0.79m | 5:15PM0.70m | 5:20AM0.72m | 5:58PM0.61m | ||||||||
 |  |  | | |  | | | | | |  | | | | | | | |  | |
 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | 8:03 | — | — |
 | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:02 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 |
Temp °C | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 17 | 16 | 17 | 17 | 18 | 17 | 20 | 21 | 20 |
Feels °C | 21 | 20 | 23 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 19 | 11 | 10 | 12 | 14 | 16 | 14 | 18 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NW 12 | SSE 5 | SSE 4 | W 9 | W 9 | NW 12 | NW 14 | NW 13 | NW 13 | ENE 10 | ENE 10 | NW 8 | ENE 9 | ENE 9 | NW 10 | NNW 14 | NNW 13 | NW 12 | NW 11 |
| kJ | 268 | 147 | 22 | 12 | 59 | 56 | 353 | 961 | 600 | 451 | 392 | 353 | 67 | 286 | 186 | 200 | 389 | 295 | 373 | 350 |
Swell 2 Height (m) Direction Period (s) | S 11 | WSW 6 | NNW 12 | NNW 11 | NE 7 | WNW 14 | NW 15 | NE 7 | ENE 10 | ENE 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 10 | ENE 8 | ENE 8 | ENE 7 | S 13 | S 13 |
| kJ | 58 | 13 | 90 | 49 | 18 | 71 | 318 | 14 | 65 | 107 | 240 | 141 | 38 | 368 | 244 | 125 | 54 | 21 | 56 | 31 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | S 11 | NE 7 | NE 7 | E 8 | NE 7 | W 8 | WSW 8 | ESE 7 | ENE 9 | WNW 10 | NW 6 | NW 11 | S 16 | NNW 13 | S 15 | NW 10 | S 14 | ENE 7 | S 11 |
| kJ | 5 | 37 | 18 | 18 | 12 | 13 | 49 | 20 | 10 | 53 | 19 | 30 | 20 | 46 | 18 | 39 | 47 | 36 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | SW 11 | SSE 4 | — | — | — | — | — | — | — | — | NW 4 | N 6 | NE 10 | — | — | — | WSW 4 | SW 4 | SSW 4 | SW 6 |
| kJ | 145 | 18 | — | — | — | — | — | — | — | — | 12 | 82 | 609 | — | — | — | 11 | 12 | 13 | 136 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 16 | 16 | 16 | 0 | 0 | 117 | 16 | 16 | 16 | 17 | 176 | 1112 | 1112 | 16 | 16 | 21 | 17 | 20 | 21 |
Best forecast wave conditions in The Azores | ||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 16 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.
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