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Bioestrecho

Friday, 23 October 2026

The Strait now

What can be said about the Strait today: the wind forecast for Tarifa and how it decides the crossing, the groups on passage according to the calendar, and which species are due this week from each site.

Natural Earth cartography, public domain

Where to watch today

Forecast wind at Tarifa, 10:00–16:00

15km/h from the W

Gusts

36 km/h

NESW

Moderate poniente: crossing in the east

A westerly shifts the passage east. Soaring birds approach the sea between Algeciras, Punta Carnero and Gibraltar, and cross towards Ceuta and Jbel Musa.

Watchpoint: Algarrobo and Punta Carnero

Forecast for Friday 23 October, Open-Meteo (CC BY 4.0). A reading, not a prediction of passage.

Seasonality

October is the peak of post-breeding passerines.

Photo: European Honey Buzzard, Alidz31, CC BY · Barn Swallow, Donald Davesne, CC BY · Northern Gannet, Brooke J., CC BY

Deduced from the migration calendar, not from today's observations.

Recent observations

5 open observations in the last 14 days.

iNaturalist observations with research grade and a CC0 or CC BY licence, within the extended area; the date is that of the observation, not the upload. Checked every three hours. eBird remains out because of its terms of use.

Latest data added to the database: 9 September 2026

Seen these days

Species with at least one open observation in the area in the last 14 days: 5 species and 5 observations. This is not what is there, it is what someone has published under an open licence; the block above says which and where.

What to see this week, site by site

At each site, the species with the largest share of their open records in these weeks of the year (week 43 and its two neighbours). A probability, not a promise.

Each species' line is its weekly distribution here; the vertical tick is the current week.

Everything that crosses has its hour

The Strait is not a place of constant passage but a calendar. Each group has its window, and in October the ones marked below coincide.

  • Representative species: European Honey BuzzardSoaring birds heading south: from July to October, peak in September; on passage now
  • Representative species: Black KiteSoaring birds heading north: from February to May, peak in March
  • Representative species: Barn SwallowPost-breeding passerines: from August to November, peak in October; on passage now
  • Representative species: Northern GannetSeabirds on passage: from September to April, peak in November; on passage now
peak passagepassage windowtodayPhoto: European Honey Buzzard, Alidz31, CC BY · Black Kite, Valentina Eggler, CC0 · Barn Swallow, Donald Davesne, CC BY · Northern Gannet, Brooke J., CC BY

Bibliographic source, pending comparison with Fundación Migres

See the routes