WEATHER BULLETIN ON METAREA 3
HELLENIC NATIONAL MET. SERVICE
ATHENS, TUESDAY 21 APRIL 2026 / 1600 UTC
- WIND SPEED: BEAUFORT SCALE
- SEA STATE: TOTAL SIGNIFICANT
BE AWARE: WIND GUSTS CAN BE 40 PERCENT STRONGER THAN THOSE GIVEN
HERE AND MAX WAVE HEIGHT UP TO TWICE THAN SIGNIFICANT
PART 1
WARNING NONE
PART 2
GENERAL SYNOPSIS 21-04-26/09 UTC
LOW WITH CENTRE 1005 AND FRONTAL ACTIVITY OVER WEST BLACK SEA IS
MOVING QUICKLY EAST. RELATIVELY LOW PRESSURES 1010 OVER NORTH AEGEAN
AND HIGH 1016 BY EAST COASTS OF LIBYA
PART 3
FORECAST UP TO 22 APRIL 16 UTC
NORTH ADRIATIC
EAST NORTHEAST 3 UP TO 5 VERY SOON 5 OR 6 SOON 6 OR 7. SLIGHT SOON
MODERATE. LOCALLY POOR. THUNDERSTORM
CENTRAL ADRIATIC
NORTH NORTHEAST 3 OR 4 VERY SOON OVER NORTH 5 OR 6. SLIGHT SOON OVER
NORTH UP TO MODERATE. LOCALLY POOR. THUNDERSTORM
SOUTH ADRIATIC
EAST SOUTHEAST 4 OR 5 OVER WEST NORTH 3 OR 4 SOON NORTH NORTHEAST 4
OR 5. SLIGHT OVER EAST UP TO MODERATE. LOCALLY POOR. THUNDERSTORM
BOOT
SOUTHWEST 4 OR 5 VERY SOON OVER NORTH CYCLONIC 4 SOON OVER NORTH
NORTH LATER NORTH NORTHEAST 4 OR 5. SLIGHT. CHANCE OF THUNDERSTORM
OVER NORTH
MELITA
SOUTH SOUTHWEST 3 OR 4 OVER NORTH SOUTHEAST SOON OVER NORTH EAST.
SLIGHT
GABES
SOUTH SOUTHWEST 4 OR 5 VERY SOON SOUTH SOUTHEAST SOON OVER WEST UP
TO 6. SLIGHT SOON UP TO MODERATE
SIDRA
SOUTH SOUTHWEST 4 OR 5 OVER SOUTH SOUTHEAST UP TO 6 SOON OVER NORTH
WEST. SLIGHT
NORTH IONIO
SOUTH SOUTHWEST 4 OR 5 VERY SOON NORTH OF 39.00 SOUTH SOUTHEAST.
SLIGHT
SOUTH IONIO
WEST SOUTHWEST 4 SOON SOUTH SOUTHWEST 4 OR 5. SLIGHT
PATRAIKOS
WEST SOUTHWEST 4 OR 5 SOON 3 OR 4 LATER VARIABLE. SLIGHT
KORINTHIAKOS
WEST NORTHWEST 5 OR 6 SOON 4 OR 5. MODERATE
KITHIRA SEA
WEST 4 OR 5 AND EAST OF 22.30 5 OR 6 SOON 4 OR 5. SLIGHT OVER EAST
UP TO MODERATE
SOUTHWEST KRITIKO
WEST 4 OR 5 OVER WEST SOUTH SOUTHWEST.SLIGHT
SOUTHEAST KRITIKO IERAPETRA
WEST NORTHWEST 4 OR 5 VERY SOON 3 OR 4 SOON WEST SOUTHWEST 3 UP TO
5. SLIGHT OVER NORTH UP TO MODERATE
TAURUS
WEST SOUTHWEST 3 OR 4 SOON VARIABLE. SLIGHT. CHANCE OF THUNDERSTORM
OVER EAST
DELTA
WEST NORTHWEST 3 OR 4 SOON WEST SOUTHWEST. SLIGHT
CRUSADE
WEST SOUTHWEST 3 OR 4 OVER SOUTH NORTHWEST. SLIGHT
KASTELLORIZO SEA
WEST SOUTHWEST 4 OR 5 SOON WEST NORTHWEST 3 OR 4. SLIGHT
RODOS SEA
WEST SOUTHWEST 3 OR 4. SLIGHT
KARPATHIO
WEST SOUTHWEST 3 OR 4 SOON SOUTH SOUTHWEST. SLIGHT
WEST KRITIKO
WEST 5 OR 6 VERY SOON WEST SOUTHWEST LATER 4 OR 5. MODERATE
EAST KRITIKO
WEST NORTHWEST 4 OR 5 VERY SOON WEST SOON 3 OR 4. SLIGHT
SOUTHWEST AEGEAN
WEST SOUTHWEST 5 OR 6 VERY SOON NORTH OF 37.00 NORTH NORTHWEST 4
SOON SOUTHWEST 4 OR 5. SLIGHT OVER SOUTH MODERATE
SOUTHEAST AEGEAN IKARIO
WEST SOUTHWEST 4 OR 5 AND WEST OF 24.50 5 OR 6 SOON 4 OR 5. SLIGHT
OVER SOUTH UP TO MODERATE
SAMOS SEA
SOUTH SOUTHWEST 3 OR 4. SLIGHT
SARONIKOS
SOUTH 4 OR 5 VERY SOON NORTHWEST 4 OR 5. SLIGHT
SOUTH EVVOIKOS
SOUTH 4 OR 5 SOON NORTH NORTHEAST 3 OR 4. SLIGHT
KAFIREAS STRAIT
SOUTH 4 OR 5 SOON NORTHWEST. SLIGHT
CENTRAL AEGEAN
SOUTH SOUTHWEST 4 OR 5 AND NORTH OF 38.40 UP TO 6 SOON CYCLONIC 5.
SLIGHT
NORTHWEST AEGEAN
SOUTH SOUTHEAST 3 UP TO 5 VERY SOON NORTH NORTHEAST 4 OR 5. SLIGHT.
CHANCE OF THUNDERSTORM
NORTHEAST AEGEAN
SOUTH 4 OR 5 VERY SOON CYCLONIC SOON NORTH NORTHEAST 5 OR 6. SLIGHT.
CHANCE OF THUNDERSTORM
THRAKIKO
VARIABLE 3 OR 4 VERY SOON NORTHEAST 4 OR 5 AND EAST OF 25.10 UP TO 6
SOON 5 OR 6. SLIGHT SOON UP TO MODERATE. LOCALLY POOR. THUNDERSTORM
THERMAIKOS
VARIABLE 3 OR 4 VERY SOON NORTH NORTHWEST 4 OR 5. SMOOTH SOON
SLIGHT. LOCALLY POOR. THUNDERSTORM
MARMARA
EAST NORTHEAST 3 OR 4 VERY SOON NORTHEAST 5. SLIGHT. LOCALLY POOR.
THUNDERSTORM
WEST BLACK SEA
NORTH NORTHWEST 5 OR 6 OVER WEST NORTH NORTHEAST 4 OR 5 VERY SOON 4
OR 5 SOON NORTH NORTHEAST 3 UP TO 5. SLIGHT OVER NORTH MODERATE.
LOCALLY POOR. THUNDERSTORM
EAST BLACK SEA
WEST SOUTHWEST 5 OR 6 OVER EAST SOUTH SOUTHEAST VERY SOON OVER WEST
NORTH NORTHWEST 4 OR 5. SLIGHT OVER NORTH MODERATE. LOCALLY POOR.
THUNDERSTORM
OUTLOOK FOR THE NEXT 12 HOURS
GALE FORCE WINDS NOT EXPECTED=
Weather bulletin on METAREA 3,
METEO-FRANCE Toulouse, Tuesday 21 April 2026 at 09 UTC
Wind speed in BEAUFORT SCALE.
Sea state in DOUGLAS SCALE.
Please be aware, wind gusts can be a further 40 percent stronger than
the averages given here, and maximum waves may be up to twice the
significant height.
Part 1 : NO WARNING.
Part 2 : General synopsis, Tuesday 21 at 00 UTC
Weak gradient of pressure near 1010-1015 over basin. Shallow low 1010
over algerian coasts, filling overnight. High building 1020 in north
of Italy tomorrow.
Part 3 : Area forecasts to Wednesday 22 at 12 UTC
EAST OF CABRERA.
East 2 to 4, decreasing Northeast 1 to 3 at midday.
Smooth or slight.
BALEARES.
Southerly 2 to 4, becoming Variable 1 to 3 overnight, then becoming
Southerly 2 to 4 at end.
Smooth.
Poor vis due to some coastal fog patches.
MINORQUE.
Mainly Southerly 2 to 4, locally North in extreme northwest at first,
becoming East in northeast at end.
Smooth or slight.
Poor vis due to some fog patches in north.
LION.
North 2 to 4 at first, becoming Variable in afternoon, temporarily
South in evening, then becoming East at end.
Smooth or slight.
Poor vis due to some fog patches in south, moderate in showers near
coast at end.
PROVENCE.
Southwesterly 2 to 4, temporarily Northerly 3 or 4 in far northwest
at first, backing Easterly in late night, then increasing 4 to 6 from
south to north at end.
Smooth or slight becoming moderate in far east at end.
Poor vis due to fog patches, and in showers near coast in extreme
northwest at end.
LIGURE.
Variable 1 to 3, becoming East or Northeast 2 to 4 overnight, then
increasing 3 to 5 in east and 5 or 6 in west at end.
Smooth or slight becoming slight or moderate in morning.
Poor vis due to fog patches, and in showers near coast overnight.
CORSE.
West or Southwest 2 to 4, becoming Variable 1 to 3 overnight, then
becoming East or Northeast 3 to 5, locally 5 or 6 in north at end.
Smooth or slight becoming slight or moderate in north in morning.
Poor vis due to some fog patches in north overnight.
SARDAIGNE.
Mainly Southwesterly 2 to 3 in north, and Northeasterly in south,
veering Northeasterly 2 to 4 in north in morning.
Smooth.
Poor vis due to some fog patches in north overnight.
MADDALENA.
In and leeward Bonifacio strait, Westerly 3 or 4, at times 5 at
first, decreasing Variable 2 to 3 in evening, then becoming Northeast
2 to 4 at end.
Elsewhere, Variable 1 to 3 becoming Northeast 2 to 4 at end.
Smooth or slight becoming smooth in evening.
Poor vis due to some fog patches overnight.
ELBE.
Variable 1 to 3, becoming East or Northeast 2 to 4 in morning
temporarily 5 or 6 in north.
Smooth or slight.
Poor vis due to some fog patches and showers in extreme north
overnight.
ALBORAN.
Mainly Easterly 2 to 4, backing mainly Westerly in late afternoon at
times 5 leeward strait.
Smooth or slight.
Moderate or poor vis due to some fog patches, clearing at end.
PALOS.
East or Northeast increasing 3 or 4, then backing West or Southeast 2
to 4 from west in evening, at times 5 in far east.
Smooth or slight.
Moderate or poor vis due to some fog patches.
ALGER.
East 3 or 4, backing West in late night, at times 5 near coast.
Smooth or slight.
Moderate or poor vis due to some coastal fog patches.
WEST OF CABRERA.
Easterly 2 to 4, increasing 3 or 4 in late afternoon, locally
Northeast 2 to 4 in far west, then becoming Variable 1 to 3 in late
night.
Smooth or slight.
Moderate or poor vis due to some coastal fog patches.
ANNABA.
East or Northeast 2 to 4, but locally 1 to 3 in east.
Smooth or slight.
Moderate or poor vis due to some fog patches.
TUNISIE.
In west, Variable 2 to 4, becoming Easterly overnight.
In east, South or Southeast 3 or 4, locally 5 near Sicily, decreasing
mainly Easterly 2 to 4 in late day.
Smooth or slight.
Moderate or poor vis due to some fog patches.
CARBONARA.
Southerly 2 to 4, and becoming Variable 1 to 3 overnight.
Smooth or slight, decreasing slight overnight.
Moderate or poor vis due to fog patches overnight.
LIPARI.
Variable 1 to 3, becoming mainly Easterly in late night.
Smooth or slight, decreasing slight overnight.
CIRCEO.
South or Southwest 2 to 4, becoming Variable 1 to 3 in evening.
Smooth or slight, decreasing slight overnight.
Part 4 : outlook for next 24 hours
East or Northeast flow moderate or fresh, with threat of near gale
around Corsica, but Variable light or moderate in southwest till
midnight.