WARNING ON METAREA 3, METEO-FRANCE
WARNING NR 177, THURSDAY 20 AUGUST 2026 AT 1755 UTC
GENERAL SYNOPSIS, THURSDAY 20 OF AUGUST AT 12 UTC.
LOW AREA NEAR 1008/1010 FROM WEST OF BALEARIC ISLANDS TO LIGURIAN
SEA.
LOW DEEPENING 1007 OVER GULF OF GENOA TOMORROW AFTERNOON.
STRONG CONVECTION FROM BALEARIC ISLANDS TO LIGURIAN SEA, WITH LOCALLY
SEVERE TO VIOLENT GUSTS IN THUNDERSTORMS.
NORTH OF EAST OF CABRERA.
FROM 20/21 UTC TO 21/06 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
MINORQUE.
FROM 20/21 UTC TO 21/06 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
PROVENCE.
FROM 21/00 UTC TO 21/06 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
LIGURE.
FROM 21/03 UTC TO 21/09 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
CORSE.
FROM 21/03 UTC TO 21/09 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
SARDAIGNE.
FROM 21/00 UTC TO 21/09 UTC.
IN NORTH, WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER
THUNDERSTORMS.
MADDALENA.
FROM 21/06 UTC TO 21/12 UTC.
WESTERLY 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.
ELBE.
FROM 21/06 UTC TO 21/12 UTC.
WEST OR SOUTHWEST 8. SEVERE TO VIOLENT GUSTS UNDER THUNDERSTORMS.=
Weather bulletin on METAREA 3,
METEO-FRANCE Toulouse, Thursday 20 August 2026 at 21 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 : WARNING NR 177.
Part 2 : General synopsis, Thursday 20 at 12 UTC
Low area near 1008/1010 from west of Balearic islands to Ligurian
sea.
Low deepening 1007 over gulf of Genoa tomorrow afternoon.
Strong convection from Balearic islands to Ligurian sea, with locally
severe to violent gusts in thunderstorms.
Part 3 : Area forecasts to Saturday 22 at 00 UTC
South of EAST OF CABRERA.
Veering West or Southwest 5 or 6, then decreasing East or Northeast 3
or 4 tomorrow night. Gusts in showers.
Moderate, becoming temporarily moderate or rough in daytime.
Moderate or poor vis in showers, at times thundery, improving
tomorrow morning.
North of EAST OF CABRERA, South of MINORQUE.
West or Southwest 7 or 8, decreasing Northwesterly 4 or 5 in morning,
then veering gradually Northeasterly 3 or 4 tomorrow night. Severe to
violent gusts under thunderstorms.
Slight or moderate, at times rough till morning.
Very poor vis in thunderstorms, improving from west at midday.
BALEARES.
Southwesterly 5 or 6, at times 7 at first, decreasing Northerly 3 to
5 in morning, then veering East or Southeast in afternoon. Severe to
violent gusts under thunderstorms.
Slight or moderate, becoming at times moderate or rough in east till
morning.
Very poor vis in thunderstorms, mainly in east, improving at midday,
but locally thundery showers near Ebro delta tomorrow evening.
North of MINORQUE.
West or Southwest increasing 7 or 8, decreasing North or Northeast 5
or 6 in morning. Severe gusts under thunderstorms.
Moderate, at times rough till morning.
Very poor vis in thunderstorms, improving in afternoon.
LION.
Increasing North or Northwest 4 or 5, at times 6, then 5 or 6 in
morning, at times 7 till late afternoon. Gusts in showers.
Slight or moderate from north to south.
Poor or very poor vis in thundery showers or thunderstorms, improving
at midday.
PROVENCE.
West or Southwest 7 or 8, but West or Northwest 4 or 5 in far
northwest, becoming West or Northwest 4 or 5 everywhere in morning,
then increasing 5 or 6 in afternoon. Severe to violent gusts under
thunderstorms.
Slight, gradually becoming moderate overnight, at times rough in
south till morning.
Poor or very poor vis in thunderstorms, improving in afternoon.
LIGURE.
Cyclonic 3 to 5, locally Southwest at times 6 in far southeast,
increasing West or Southwest 7 or 8 in late night, then decreasing 5
or 6 in late morning, at times 7 in south, becoming locally Cyclonic
3 to 5 in far north tomorrow night. Severe to violent gusts under
thunderstorms.
Slight or moderate, at times rough in late night and morning,
becoming moderate or rough tomorrow evening.
Poor vis in thundery showers, becoming poor or very poor in
thunderstorms in late night, improving from west tomorrow evening.
CORSE.
South or Southwest increasing 5 or 6, then West or Southwest 7 or 8
in second part of night, then decreasing Westerly 4 to 6 from south
to north in afternoon, at times 7 in far northeast. Severe to violent
gusts under thunderstorms.
Slight or moderate, becoming temporarily moderate or rough in late
night.
Moderate or poor vis in thundery showers, becoming poor or very poor
in thunderstorms in late night, improving tomorrow evening.
SARDAIGNE.
Southwesterly 3 to 5, at times 6, increasing rapidly West or
Southwest 7 or 8 in second part of night in north, then decreasing
gradually Northwesterly 3 to 5 from south to north in afternoon.
Severe to violent gusts under thunderstorms.
Slight or moderate, at times rough in north till morning, becoming
moderate at midday.
Vis becoming poor or very poor in thunderstorms, mainly in north,
improving tomorrow afternoon.
MADDALENA.
Southwesterly 3 to 5, at times 6 leeward Bonifacio strait, increasing
Westerly 7 or 8 in morning, then decreasing West or Southwest 5 or 6
in afternoon, but locally Variable 3 to 5 in south. Severe to violent
gusts under thunderstorms.
Slight or moderate, at times rough in north in morning.
Vis becoming poor or very poor in thunderstorms in morning, improving
tomorrow evening.
ELBE.
Variable 3 to 5, mainly Southerly, increasing West or Southwest 7 or
8 in morning, then decreasing 5 or 6 in afternoon, then locally
Variable 3 to 5 in south tomorrow night. Severe to violent gusts
under thunderstorms.
Slight or moderate, at times rough in morning, then in far north
tomorrow night.
Vis becoming poor or very poor in thunderstorms in morning, improving
tomorrow evening.
ALBORAN.
West 5 or 6, decreasing 3 to 5 later.
Slight or moderate, becoming slight at end.
PALOS.
Southwesterly 5 or 6, decreasing 4 or 5 soon, then 3 or 4 later.
Gusts, locally severe in showers.
Moderate or rough, becoming slight or moderate later.
ALGER.
Southwesterly 4 or 5, increasing West 5 or 6 soon, decreasing 3 or 4
soon, then Variable 2 to 4 at end. Gusts, locally severe in showers.
Slight or moderate, becoming moderate or rough soon, then slight or
moderate later.
Moderate or poor vis in showers at first, at times thundery.
WEST OF CABRERA.
Southwesterly 5 or 6, at times 7, decreasing 4 or 5 soon, then
becoming Southerly 2 to 4 later. Gusts, locally severe in showers.
Moderate or rough, becoming slight or moderate later.
Moderate or poor vis in showers at first, at times thundery.
ANNABA.
Southerly 4 or 5, veering Westerly soon, then decreasing 3 or 4
later. Gusts, locally severe in showers.
Slight or moderate.
Moderate or poor vis in showers at first, at times thundery.
TUNISIE.
Variable 2 to 4, increasing Southerly 3 to 5 soon, then veering
Westerly 3 or 4 later.
Smooth or slight, becoming slight or moderate later.
CARBONARA.
South or Southwest 3 to 5.
Slight.
LIPARI.
Variable 2 to 4, locally Southwesterly 3 to 5 in west.
Smooth or slight.
CIRCEO.
Southerly 3 or 4 at times 5, decreasing Variable 2 to 4 at end.
Gusts, at times severe in showers.
Smooth or slight, becoming slight or moderate at end.
Moderate or poor vis in showers, at times thundery.
Part 4 : outlook for next 24 hours
West or Northwest fresh or strong flow in north of basin, decreasing
moderate at end, locally fresh.
East or Northeast moderate flow in south of basin, increasing locally
fresh near Algerian coast Saturday afternoon.
Variable moderate flow over Tyrrhenian sea, locally fresh leeward
Bonifacio strait. In south : Southwesterly moderate or fresh, veering
Northeasterly at end, but locally Westerly near Gibraltar strait, and
Variable light or moderate flow in south of Tyrrhenian sea.
WEATHER BULLETIN ON METAREA 3
HELLENIC NATIONAL MET. SERVICE
ATHENS, THURSDAY 20 AUGUST 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 20-08-26/09 UTC
LOW PRESSURES 1012 OVER NORTH ADRIATIC AND TAURUS AND HIGH PRESSURES
1020 OVER NORTH TURKEY, CENTRAL BALKANS AND WEST BLACK SEA.
PART 3
FORECAST UP TO 21 AUGUST 16 UTC
NORTH ADRIATIC
SOUTH SOUTHEAST 5 OR 6 AND OVER NORTH CYCLONIC SOON CYCLONIC. UP TO
MODERATE. LOCALLY POOR. THUNDERSTORM
CENTRAL ADRIATIC
SOUTHEAST 5 OR 6 SOON OVER WEST CYCLONIC 4 OR 5. SLIGHT SOON OVER
EAST UP TO MODERATE
SOUTH ADRIATIC
SOUTH SOUTHEAST 5 OR 6 VERY SOON 4 OR 5. SLIGHT
BOOT
SOUTH SOUTHWEST 4 OR 5 SOON 3 OR 4. SLIGHT. PROBABLY LOCALLY POOR
MELITA
SOUTH SOUTHEAST 3 OR 4 VARIABLE. SMOOTH. PROBABLY LOCALLY POOR
GABES
EAST NORTHEAST 4 SOON EAST 3 OR 4. UP TO SLIGHT. PROBABLY LOCALLY
POOR
SIDRA
EAST NORTHEAST 4 AND OVER NORTH VARIABLE 3 OR 4. UP TO SLIGHT
NORTH IONIO
WEST OF 19.50 WEST SOUTHWEST 3 OR 4. EAST OF 19.50 VARIABLE 3 OR
WEST NORTHWEST 3 OR 4 AND SOUTH OF 39.00 UP TO 5. SLIGHT. PROBABLY
LOCALLY POOR
SOUTH IONIO
NORTH 3 OR 4. UP TO SLIGHT. PROBABLY LOCALLY POOR
PATRAIKOS
VARIABLE OR WEST SOUTHWEST 3 OR 4. SMOOTH. PROBABLY LOCALLY POOR
KORINTHIAKOS
VARIABLE 3 OR 4. SMOOTH
KITHIRA SEA
NORTH NORTHEAST 3 UP TO 5 VERY SOON NORTH NORTHWEST. SLIGHT.
PROBABLY LOCALLY POOR
SOUTHWEST KRITIKO
NORTH NORTHEAST 4 OR 5 OVER EAST NORTH NORTHWEST 3 UP TO 5. SLIGHT.
LOCALLY POOR. CHANCE OF THUNDERSTORM
SOUTHEAST KRITIKO IERAPETRA
NORTH NORTHWEST 3 OR 4 OVER NORTH WEST NORTHWEST UP TO 5. SLIGHT
TAURUS
WEST SOUTHWEST 4 OR 5 VERY SOON OVER NORTH CYCLONIC. SLIGHT.
PROBABLY LOCALLY POOR
DELTA
NORTH NORTHWEST 4 OVER NORTH 4 OR 5. SLIGHT
CRUSADE
WEST NORTHWEST 3 UP TO 5 OVER SOUTH NORTH NORTHWEST 4 OR 5. SLIGHT.
PROBABLY LOCALLY POOR
KASTELLORIZO SEA
WEST NORTHWEST 4 OR 5 SOON 3 OR 4. SLIGHT
RODOS SEA
WEST NORTHWEST 3 OR 4. UP TO SLIGHT. PROBABLY LOCALLY POOR
KARPATHIO
NORTHWEST 4 OR 5. SLIGHT. PROBABLY LOCALLY POOR
WEST KRITIKO
WEST NORTHWEST 3 OR 4 OVER WEST NORTHEAST. UP TO SLIGHT
EAST KRITIKO
WEST NORTHWEST 4 VERY SOON 4 OR 5. SLIGHT
SOUTHWEST AEGEAN
NORTH NORTHEAST 3 OR 4 OVER NORTH UP TO 5 VERY SOON NORTH 4 OR 5.
SLIGHT. PROBABLY LOCALLY POOR
SOUTHEAST AEGEAN IKARIO
NORTH NORTHWEST 5 OR 6 AND SOUTH OF 37.00 AND WEST OF 25.30 NORTH 4
OR 5. SLIGHT
SAMOS SEA
NORTH NORTHWEST 5 OR 6 SOON NORTH 4 OR 5. SLIGHT. PROBABLY LOCALLY
POOR
SARONIKOS
VARIABLE 3 OR 4 OVER EAST EAST NORTHEAST 4 OR 5 VERY SOON OVER EAST
NORTHEAST 4 OR 5 SOON NORTH NORTHWEST 3 UP TO 5. SLIGHT. PROBABLY
LOCALLY POOR
SOUTH EVVOIKOS
NORTH NORTHEAST 4 OR 5. SLIGHT
KAFIREAS STRAIT
NORTH 5 OR 6 VERY SOON 5. SLIGHT UP TO MODERATE
CENTRAL AEGEAN
NORTH 5 OR 6. SLIGHT OR MODERATE
NORTHWEST AEGEAN
VARIABLE 3 OR 4. UP TO SLIGHT. PROBABLY LOCALLY POOR
NORTHEAST AEGEAN
NORTH NORTHEAST 4 OR 5 AND EAST OF 24.50 5 OR 6. SLIGHT UP TO
MODERATE
THRAKIKO
VARIABLE 3 OR 4 VERY SOON EAST OF 25.10 EAST UP TO 5. UP TO SLIGHT.
PROBABLY LOCALLY POOR
THERMAIKOS
SOUTH SOUTHEAST 3 OR 4 SOON VARIABLE. SMOOTH. PROBABLY LOCALLY POOR
MARMARA
NORTHEAST 5 SOON 4 OR 5. SLIGHT. PROBABLY LOCALLY POOR
WEST BLACK SEA
EAST NORTHEAST 4 OR 5 AND OVER NORTH SOUTH SOUTHEAST SOON OVER SOUTH
5 OR 6. SLIGHT SOON UP TO MODERATE. PROBABLY LOCALLY POOR
EAST BLACK SEA
NORTH 3 UP TO 5 VERY SOON EAST NORTHEAST. SLIGHT. LOCALLY POOR.
THUNDERSTORM OVER EAST
OUTLOOK FOR THE NEXT 12 HOURS
GALE FORCE WINDS NOT EXPECTED=