43.321°, -3.021° · 49 m a.s.l.
Visible
The Sun clears local terrain by 4.32° at C3.
100%
You'll see full totality. C3 — the end of totality — is visible above the horizon.
Total eclipse · 100% obscuration
| Phase | UTC | Local time | Sun alt. | Sun az. |
|---|---|---|---|---|
| C1 — Partial begins | 17:31 UTC | 19:31 | +18.4° | 273.3° |
| C2 — Totality begins | 18:27 UTC | 20:27 | +8.4° | 282.5° |
| Maximum | 18:27 UTC | 20:27 | +8.4° | 282.6° |
| C3 — Totality ends | 18:27 UTC | 20:27 | +8.3° | 282.6° |
| C4 — Partial ends | 19:19 UTC | 21:19 | -0.2° | 291.4° |
Look toward WNW (291.4°)
Azimuth at C4
291.4° WNW
Sun altitude at C4
-0.25°
Terrain horizon
3.99°
Sun−terrain margin
+4.32°
No named peaks within 25 km (or not yet cached).
P25 — clearer days
0%
Median cloud cover
100%
P75 — cloudier days
100%
Source: ERA5 (ECMWF), 10-year average at the eclipse hour.
Yes — Portugalete is inside the totality path and the horizon allows the total phase to be fully visible.
Maximum occurs at 20:27 local time (18:27 UTC) in Portugalete.
Look WNW (azimuth 283°); the Sun will be 8° above the horizon at maximum from Portugalete.
Totality lasts 0 min 33 s in Portugalete (C2 to C3).
Portugalete will see totality (C2-C3) very close to the western horizon. The partial end (C4) falls below the horizon: you need a clear western view for an epic experience.
Yes, you need ISO 12312-2 certified eclipse glasses during every partial phase. Regular sunglasses do NOT protect. Glasses can only be removed during the totality phase (when the Sun is fully covered); never during annular or partial eclipses. Pages flagged "visible" assume a clear horizon, not a viewing recommendation.
For the August 12 eclipse. Recommended stay: Aug 10–14, 2026.
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