GMDSS BULLETIN I 200900
ISSUED BY: INDIA METEOROLOGICAL DEPARTMENT, NEW DELHI
HIGH SEA FORECAST FOR MET. AREA VIII (N)
AREA OF COVERAGE: AREA OF THE INDIAN OCEAN ENCLOSED BY LINES FROM THE
INDO-
PAKISTAN FRONTIER AT 23O45\U2019N 68 DEG E TO 00 DEG N 6 DEG E, THECE
TO CAPE
GARDAFUI; THE EAST AFRICAN COAST SOUTH TO THE EQUATOR, THENCE TO 95
DEG E, TO
6 DEG N, THENCE NORTH EASTWARDS TO MYANMAR/THAIL FRONTIER IN 10 DEG N
98 DEG
30\U2019E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 09 UTC OF 20 TH FEB 2026 TO 00 UTC OF 22 ND FEB 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
THE LOW PRESSURE AREA OVER THE EQUATORIAL INDIAN OCEAN &
ADJOINING SOUTHWEST
BAY OF BENGAL BECAME LESS MARKED AT 0300 UTC OF TODAY, THE 20TH
FEBRUARY, 2026.
HOWEVER, THE ASSOCIATED UPPER AIR CYCLONIC CIRCULATION LAY OVER THE
SAME
REGION EXTENDING UPTO 3.1 KM ABOVE MEAN SEA LEVEL. IT IS LIKELY TO
MOVE WEST-
NORTHWESTWARDS TOWARDS SRI LANKA DURING THE NEXT 24 HOURS.
THE UPPER AIR CYCLONIC CIRCULATION OVER THE EQUATORIAL INDIAN OCEAN
& ADJOINING
SOUTHEAST BAY OF BENGAL EXTENDING UPTO 5.8 KM ABOVE MEAN SEA LEVEL
PERSISTED
OVER THE SAME REGION AT 0300 UTC OF TODAY, THE 20TH FEBRUARY, 2026.
UNDER ITS
INFLUENCE A LOW PRESSURE AREA IS LIKELY TO FORM OVER THE SAME REGION
DURING
THE NEXT 48 HOURS. IT IS LIKELY TO MOVE WEST-NORTHWESTWARDS
THEREAFTER.
PART-III AREA FORECAST:
AREA: ARB A1 (ARABIAN SEA)-EQUATOR TO 10 DEG N W OF 80 DEG E.
ARB A1-FORECAST VALID FROM 09 UTC OF 20 TH FEB 2026 TO 00 UTC OF 21
ST FEB 2026.
I) WIND DIRECTION AND SPEED: NE/N-LY 10/20 KTS
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) E OF 70 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 70 DEG E: POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 00 UTC OF 21 ST FEB 2026 TO 00 UTC OF 22
ND FEB 2026.
I) WIND DIRECTION AND SPEED: 1) E OF 68 DEG E: NW/N-LY 10/15 KTS.
2) REST AREA: NE/N-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
ARB A2-ARABIAN SEA: -23 DEG 45 MIN N 68 DEG E TO 00 DEG N 63 DEG E TO
CAPE GARDAFUI
TO N OF 10 DEG N. 55.
ARB A2-FORECAST VALID FROM 09 UTC OF 20 TH FEB 2026 TO 00 UTC OF 21
ST FEB 2026.
I) WIND DIRECTION AND SPEED: NE/N-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: FAIR.
IV) VISIBILITY: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 21 ST FEB 2026 TO 00 UTC OF 22
ND FEB 2026.
I) WIND DIRECTION AND SPEED: 1) E OF 68 DEG E: NW/N-LY 10/15 KTS.
2) REST AREA: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: 1) E OF 72 DEG E TO THE S OF 13 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 72 DEG E TO THE S OF 13 DEG N: MODERATE.
2) REST AREA: GOOD.
BOB A3-BAY OF BENGAL: EQUATOR TO 10 DEG N BETWEEN E OF 80 DEG E WEST
OF 10
DEG N/98 DEG 30 MIN E TO 6 DEG N/95 DEG E THENCE S-WARDS TO EQUATOR.
BOB A3-FORECAST VALID FROM 09 UTC OF 20 TH FEB 2026 TO 00 UTC OF 21
ST FEB 2026.
I) WIND DIRECTION AND SPEED: E/NE-LY 10/20 KTS BEC CYCLONIC 10/15 KTS
AT 80 DEG E
AND 2 DEG N.
II) WAVE HEIGHT: 1.5\U20133.0 MTR.
III) WEATHER: 1) W OF 92 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) W OF 92 DEG E: VERY POOR.
2) REST AREA: GOOD.
BOB A3-FORECAST VALID FROM 00 UTC OF 21 ST FEB 2026 TO 00 UTC OF 22
ND FEB 2026.
I) WIND DIRECTION AND SPEED: E/NE-LY 10/15 KTS BEC CYCLONIC 10/15 KTS
AT 82 DEG E
AND 6 DEG N.
II) WAVE HEIGHT: 1.5\U20132.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 09 UTC OF 20 TH FEB 2026 TO 00 UTC OF 21
ST FEB 2026.
I) WIND DIRECTION AND SPEED: N/NE-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5\U20132.5 MTR.
III) WEATHER: 1) S OF 14 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 14 DEG N: POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 00 UTC OF 21 ST FEB 2026 TO 00 UTC OF 22
ND FEB 2026.
I) WIND DIRECTION AND SPEED: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0\U20132.0 MTR.
III) WEATHER: 1) S OF 15 DEG N TO THE W OF 90 DEG E: WIDESPREAD
RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 15 DEG N TO THE W OF 90 DEG E: VERY POOR.
2) REST AREA: GOOD.
ADVISORY: PLEASE BE AWARE. WIND WAVE FORECASTS ARE AVERAGES. WIND
GUSTS
CAN BE 40 PER CENT STRONGER THAN THE FORECAST. MAXIMUM WAVE HEIGHT
CAN BE
TWICE THE FORECAST WAVE HEIGHT.
NEXT FORECAST WILL BE ISSUED AT 20/1700 UTC.=