Weather bulletin warns of strong winds and rough seas in METAREA 3.

WEATHER BULLETIN ON METAREA 3
HELLENIC NATIONAL MET. SERVICE
ATHENS, FRIDAY 20 DECEMBER 2024 / 2200 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 NR 517
PART 2
GENERAL SYNOPSIS 20-12-24/15 UTC
EXTENDED LOW TO CENTRE 1000 OVER CENTRAL ITALY ASSOCIATED WITH
FRONT IS MOVING EASTWARDS SOUTHEAST AND IS EXPECTED BY 21/03 UTC TO
CENTRES 1006 NORTH IONIO AND 1004 THRAKIKO. RELATIVELY HIGH
PRESSURES 1022 OVER SIRTI
PART 3
FORECAST UP TO 21 DECEMBER 22 UTC
NORTH ADRIATIC
NORTH NORTHEAST 7 OR 8 VERY SOON 6 OR 7 DECREASING SOON. ROUGH.
POOR.
CENTRAL ADRIATIC
NORTH NORTHEAST 7 OR 8 VERY SOON 6 OR 7. ROUGH. POOR. THUNDERSTORM
SOUTH ADRIATIC
CYCLONIC 4 OR 5 SOON NORTH NORTHEAST 5 OR 6. MODERATE. LOCALLY POOR.
THUNDERSTORM
BOOT
WEST NORTHWEST 7 OR 8 SOON NORTHWEST. ROUGH OVER SOUTH UP TO VERY
ROUGH. LOCALLY POOR. THUNDERSTORM
MELITA
WEST NORTHWEST 8 OR 9 VERY SOON 7 OR 8 SOON 6 OR 7. VERY ROUGH.
LOCALLY POOR.
GABES
NORTHWEST 6 OVER NORTH 7 LATER 5 OR 6. ROUGH OVER NORTH UP TO VERY
ROUGH
SIDRA
WEST 6 OR 7 OVER NORTH 8 OR 9 VERY SOON WEST NORTHWEST 6 OR 7 OVER
NORTH 7 OR 8 DECREASING LATER. MODERATE OVER NORTH ROUGH. LOCALLY
POOR.
NORTH IONIO
NORTH OF 38.00 WEST SOUTHWEST 5 OR 6 SOON NORTHWEST 6 OR 7. SOUTH OF
38.00 WEST 7 OR 8 VERY SOON WEST NORTHWEST DECREASING LATER. ROUGH
OVER SOUTH UP TO VERY ROUGH. LOCALLY POOR. THUNDERSTORM
SOUTH IONIO
WEST 7 OR 8 VERY SOON 8 DECREASING LATER. ROUGH UP TO VERY ROUGH.
LOCALLY POOR. THUNDERSTORM
PATRAIKOS
WEST SOUTHWEST 5 LATER NORTHWEST. SLIGHT UP TO MODERATE LOCALLY
POOR. THUNDERSTORM
KORINTHIAKOS
WEST NORTHWEST 5 OR 6. SLIGHT OR MODERATE
KITHIRA SEA
WEST SOUTHWEST 7 OR 8 SOON WEST NORTHWEST. ROUGH. LOCALLY POOR
SOUTHWEST KRITIKO
WEST SOUTHWEST 6 OR 7 AND WEST OF 23.30 AND NORTH OF 34.00 WEST 7 OR
8 DECREASING LATER. ROUGH NORTH OVER NORTH UP TO VERY ROUGH
SOUTHEAST KRITIKO IERAPETRA
WEST SOUTHWEST 5 OR 6 AND WEST OF 27.00 6 OR 7. MODERATE OVER WEST
UP TO ROUGH
TAURUS
WEST SOUTHWEST 3 UP TO 5. SLIGHT
DELTA
WEST 4 OR 5. SLIGHT OR MODERATE
CRUSADE
WEST SOUTHWEST 3 OR 4. SLIGHT
KASTELLORIZO SEA
SOUTHWEST 5 OR 6 LATER 6 OR 7 . SLIGHT UP TO MODERATE
RODOS SEA
SOUTHWEST 4 OR 5 SOON 5 OR 6. SLIGHT UP TO MODERATE
KARPATHIO
SOUTHWEST 4 OR 5 SOON 5 OR 6 LATER 6 OR 7. SLIGHT UP TO MODERATE
WEST KRITIKO
WEST SOUTHWEST 6 OR 7 SOON 7 OR 8. MODERATE UP TO ROUGH
EAST KRITIKO
SOUTHWEST 5 OR 6 SOON WEST INCREASING LATER. MODERATE
SOUTHWEST AEGEAN
WEST SOUTHWEST 6 OR 7 LATER SOUTH OF 36.40 7 OR 8 . MODERATE SOON
OVER SOUTH UP TO ROUGH
SOUTHEAST AEGEAN IKARIO
SOUTHWEST 6 OR 7 INCREASING LATER. MODERATE
SAMOS SEA
SOUTHWEST 5 OR 6 SOON 6 OR 7. MODERATE
SARONIKOS
WEST SOUTHWEST 4 OR 5. SLIGHT UP TO MODERATE
SOUTH EVVOIKOS
SOUTHWEST 4 OR 5. SLIGHT UP TO MODERATE
KAFIREAS STRAIT
SOUTHWEST 5 OR 6 LATER NORTHWEST 4 OR 5. SLIGHT UP TO MODERATE
CENTRAL AEGEAN
SOUTHWEST 5 OR 6 LATER NORTHWEST. MODERATE
NORTHWEST AEGEAN
SOUTHWEST 4 OR 5 LATER NORTHWEST 5 OR 6 INCREASING. SLIGHT UP TO
MODERATE
NORTHEAST AEGEAN
SOUTH SOUTHWEST 5 OR 6 LATER WEST NORTHWEST. SLIGHT UP TO MODERATE
THRAKIKO
CYCLONIC 3 UP TO 5 LATER NORTH NORTHWEST. SLIGHT. LOCALLY POOR
THERMAIKOS
NORTHWEST 3 OR 4 VERY SOON 4 OR 5 SOON 5 OR 6. SLIGHT. LOCALLY UP TO
VERY POOR
MARMARA
SOUTH 4 OR 5. SLIGHT. LOCALLY POOR
WEST BLACK SEA
SOUTH 5 OR 6 OVER WEST NORTH. SLIGHT UP TO MODERATE. LOCALLY POOR
EAST BLACK SEA
SOUTH SOUTHEAST 4 OR 5 LATER 5 OR 6. SLIGHT. LOCALLY POOR
OUTLOOK FOR THE NEXT 12 HOURS
GALE WINDS OVER WEST BLACK SEA

Weather bulletin on METAREA 3,
METEO-FRANCE Toulouse, Friday 20 December 2024 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 293.
Part 2 : General synopsis, Friday 20 at 12 UTC
Low “DIONISIO” 998 over north of CIRCEO, moving southeastwards and
filling, expected 1005 over Ionian sea at midnight. High pressure
1036 over north of Spain and southwest of France.
Part 3 : Area forecasts to Sunday 22 at 00 UTC
EAST OF CABRERA.
In northeast : North or Northwest 5 or 6, decreasing West or
Northwest 4 or 5 in morning. Gusts.
In southwest : Variable 2 to 4, becoming West 3 to 4 at end.
Rough or very rough, decreasing slight or moderate at end.
Long N swell 3 to 4 m in east, abating at midda