Wind and sea for the next seven days at each port where we operate, from the ECMWF and Météo-France models. The forecast is fetched fresh each time you open the page.
All ports now
F0 to F12 is the Beaufort wind force; the words after the sea height are the sea state. What the figures mean
| Port | Wind now | Gusts | Sea now | Next 3 days |
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Pick a port for its 7-day forecast. A day is flagged when the wind reaches 25 knots, gusts 34 knots or the sea 2.5 m.
7-day forecast
Weather and port operations
- Arzew and Bethioua. Berthing at B2 and P3 can be held up by open-sea weather: strong wind or swell. No ship berths or sails between 21:00 and 05:00 unless the pilots decide otherwise. Port information
- Skikda. In winter, swell can send tankers out to the roads, or need tugs to hold them alongside to finish loading. Night berthing at P3 depends on the weather. Port information
- Every port. The harbour master and the pilots decide when it is safe to move a ship. Ask us for the situation at the port before you plan around the forecast.
Wind map
An animated wind map of the Algerian coast from Windy.com. It loads only when you ask for it, because Windy may set its own cookies.
What the numbers mean
Every wind reading carries its Beaufort force, and every wave height its sea state, so you can see at a glance what the figures mean at sea. A day is flagged from 25 knots of wind (force 6), gusts of 34 knots (force 8, gale) or 2.5 m of sea (rough).
| Force | Name | Knots | At sea |
|---|---|---|---|
| F0 | Calm | under 1 | Sea like a mirror |
| F1 | Light air | 1–3 | Ripples, no foam crests |
| F2 | Light breeze | 4–6 | Small wavelets |
| F3 | Gentle breeze | 7–10 | Large wavelets, a few white horses |
| F4 | Moderate breeze | 11–16 | Small waves, frequent white horses |
| F5 | Fresh breeze | 17–21 | Moderate waves, many white horses, some spray |
| F6 | Strong breeze | 22–27 | Large waves, white foam crests, spray |
| F7 | Near gale | 28–33 | Sea heaps up, foam blown in streaks |
| F8 | Gale | 34–40 | Moderately high waves, crests break into spindrift |
| F9 | Strong gale | 41–47 | High waves, dense foam, spray cuts visibility |
| F10 | Storm | 48–55 | Very high waves, the sea looks white |
| F11 | Violent storm | 56–63 | Exceptionally high waves |
| F12 | Hurricane force | 64 and over | Air full of foam and spray |
| State | Height |
|---|---|
| calm | 0–0.1 m |
| smooth | 0.1–0.5 m |
| slight | 0.5–1.25 m |
| moderate | 1.25–2.5 m |
| rough | 2.5–4 m |
| very rough | 4–6 m |
| high | 6–9 m |
| very high | 9–14 m |
| phenomenal | over 14 m |
- Wind and gusts are in knots, at 10 m above the sea. The letters say where the wind comes from; the arrow points the way it blows.
- Sea is the height of the waves, wind sea and swell together; swell is shown on its own with its period.
- The forecast is a guide for planning, not a navigational warning. Use official forecasts and warnings at sea.
Forecast: Open-Meteo (ECMWF and Météo-France models), CC BY 4.0. Scales: Beaufort wind force and WMO sea state.