GMDSS BULLETIN II 211800
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 18 UTC OF 21 ST SEPTEMBER 2026 TO 12 UTC OF 23 RD
SEPTEMBER 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE WELL MARKED LOW PRESSURE AREA OVER WESTCENTRAL AND ADJOINING
EASTCENTRAL BAY OF BENGAL, MOVED WESTNORTHWESTWARDS, INTENSIFIED INTO
A
DEPRESSION AND LAY CENTRED AT 1200 UTC OF TODAY, THE 21ST SEPTEMBER,
2026, OVER
WESTCENTRAL & ADJOINING NORTHWEST BAY OF BENGAL NEAR LATITUDE
17.7ON AND
LONGITUDE 87.8OE, ABOUT 310 KM SOUTHEAST OF PURI (ODISHA), 310 KM
EAST-SOUTHEAST
OF GOPALPUR (ODISHA), 390 KM EAST-SOUTHEAST OF KALINGAPATNAM (ANDHRA
PRADESH)
AND 470 KM EAST OF VISAKHAPATNAM (ANDHRA PRADESH). IT IS VERY LIKELY
TO MOVE
WESTNORTHWESTWARDS & INTENSIFY INTO A DEEP DEPRESSION OVER
WESTCENTRAL &
ADJOINING NORTHWEST BAY OF BENGAL DURING NEXT 24 HOURS. CONTINUING TO
MOVE
WEST-NORTHWESTWARDS IT IS VERY LIKELY TO CROSS NORTH ANDHRA PRADESH -
SOUTH
ODISHA COASTS BETWEEN VISAKHAPATNAM & GOPALPUR AS A DEEP
DEPRESSION DURING
NIGHT OF 23RD TO EARLY HOURS OF 24TH SEPTEMBER 2026.
PART-III AREA FORECAST:
AREA: ARB A1 (ARABIAN SEA)-EQUATOR TO 10 DEG N W OF 80 DEG E.
ARB A1-FORECAST VALID FROM 18 UTC OF 21 ST SEP 2026 TO 12 UTC OF 22
ND SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/S-LY 10/20 KTS.
2) E OF 60 DEG E TO THE N OF 5 DEG N: NW/W-LY 05/15 KTS
BEC W/SW-LY 10/20 KTS TO THE E OF 75 DEG E.
3) REST AREA: W/SW-LY 05/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 64 DEG E: WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 64 DEG E: VERY POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 12 UTC OF 22 ND SEP 2026 TO 12 UTC OF 23
RD SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW-LY 10/20 KTS.
2) E OF 60 DEG E TO THE N OF 5 DEG N: NW/W-LY 10/15 KTS
BEC W/SW-LY 10/20 KTS TO THE E OF 76 DEG E.
3) REST AREA: W/SW-LY 05/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 64 DEG E: WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 64 DEG E: VERY POOR.
2) REST AREA: MODERATE.
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 18 UTC OF 21 ST SEP 2026 TO 12 UTC OF 22
ND SEP 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/15 KTS BEC W/NW-LY 05/15 KTS
TO THE E OF 60 DEG E.
II) WAVE HEIGHT: 0.5-1.0 MTR.
III) WEATHER: 1) S OF 19 DEG N TO THE E OF 63 DEG E: ISOLATED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 19 DEG N TO THE E OF 63 DEG E: GOOD.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 22 ND SEP 2026 TO 12 UTC OF 23
RD SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/15 KTS BEC W/NW-LY 10/15 KTS
TO THE E OF 61 DEG E.
II) WAVE HEIGHT: 0.5-1.0 MTR.
III) WEATHER: 1) S OF 20 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 20 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 18 UTC OF 21 ST SEP 2026 TO 12 UTC OF 22
ND SEP 2026.
I) WIND DIRECTION AND SPEED: S/SW-LY 10/25 KTS.
II) WAVE HEIGHT: 1.5-4.0 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 22 ND SEP 2026 TO 12 UTC OF 23
RD SEP 2026.
I) WIND DIRECTION AND SPEED: S/SW-LY 10/25 KTS.
II) WAVE HEIGHT: 1.5-4.0 MTR.
III) WEATHER: 1) N OF 4 DEG N: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) N OF 4 DEG N: VERY POOR.
2) REST AREA: GOOD.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 18 UTC OF 21 ST SEP 2026 TO 12 UTC OF 22
ND SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/20 KTS BEC CYCLONIC 15/20 KTS
AT 88.1 DEG E AND 17.7 DEG N.
II) WAVE HEIGHT: 1.5-4.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A4-FORECAST VALID FROM 12 UTC OF 22 ND SEP 2026 TO 12 UTC OF 23
RD SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC CYCLONIC 15/25 KTS
AT 84 DEG E AND 16 DEG N.
II) WAVE HEIGHT: 1.5-4.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
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 22/0800 UTC.=