Weather forecast in Reykjavik, for 5 days

Whole trees in motion; inconvenience felt when walking against the wind.Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind.

Large branches in motion; whistling heard in telegraph wires; umbrellas used with difficulty.Large waves begin to form; the white foam crests are more extensive everywhere.

Small trees in leaf begin to sway; crested wavelets form on inland waters.Moderate waves, taking a more pronounced long form; many white horses are formed.

Leaves and small twigs in constant motion; wind extends light flag.Large wavelets. Crests begin to break. Foam of glassy appearance. Perhaps scattered white horses.

Raises dust and loose paper; small branches are moved.Small waves, becoming larger; fairly frequent white horses.

Wind felt on face; leaves rustle; ordinary vanes moved by wind.Small wavelets, still short, but more pronounced. Crests have a glassy appearance and do not break.