GMDSS BULLETIN II 191800
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 19TH SEPTEMBER 2026 TO 12 UTC OF 21ST SEPTEMBER
2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE UPPER-AIR CYCLONIC CIRCULATION OVER NORTH ANDAMAN SEA &
NEIGHBOURHOOD PERSISTED OVER THE SAME REGION EXTENDING UPTO 7.6 KM
ABOVE MEAN SEA LEVEL AT 1430 HRS IST OF TODAY, THE 19TH SEPTEMBER,
2026. UNDER ITS INFLUENCE, A LOW PRESSURE AREA IS VERY LIKELY TO FORM
OVER THE SAME REGION AROUND EVENING OF TODAY, THE 19TH SEPTEMBER,
2026. IT IS VERY LIKELY TO MOVE WESTNORTHWESTWARDS AND INTENSIFY
GRADUALLY INTO A DEPRESSION OVER EASTCENTRAL BAY OF BENGAL ON 21ST
AND INTO A DEEP DEPRESSION OVER WESTCENTRAL BAY OF BENGAL ON 22ND
SEPTEMBER. CONTINUING TO MOVE WEST-NORTHWESTWARDS, IT IS VERY LIKELY
TO REACH WESTCENTRAL AND ADJOINING NORTHWEST BAY OF BENGAL NEAR SOUTH
ODISHA-NORTH ANDHRA PRADESH COASTS AROUND MORNING OF 23RD SEPTEMBER.
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 19TH SEP 2026 TO 12 UTC OF 20TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/S-LY 10/20 KTS.
2) E OF 62 DEG E TO THE N OF 5 DEG N: NW/W-LY 05/10 KTS
BEC SW-LY 10/20 KTS TO THE E OF 77 DEG E.
3) REST AREA: SW/W-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 60 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 60 DEG E: VERY POOR.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 12 UTC OF 20TH SEP 2026 TO 12 UTC OF 21ST
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/S-LY 10/20 KTS.
2) E OF 62 DEG E TO THE N OF 5 DEG N: NW/W-LY 05/10 KTS
BEC SW-LY 10/20 KTS TO THE E OF 77 DEG E.
3) REST AREA: SW/W-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 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 18 UTC OF 19TH SEP 2026 TO 12 UTC OF 20TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/15 KTS BEC W/NW-LY 05/10 KTS
TO THE E OF 62 DEG E.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 60 DEG E TO THE S OF 21 DEG N: SCATTERED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 60 DEG E TO THE S OF 21 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 20TH SEP 2026 TO 12 UTC OF 21ST
SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/15 KTS BEC NW/N-LY 05/10 KTS
TO THE E OF 64 DEG E.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 60 DEG E TO THE S OF 21 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 60 DEG E TO THE S OF 21 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 19TH SEP 2026 TO 12 UTC OF 20TH
SEP 2026.
I) WIND DIRECTION AND SPEED: S/SW-LY 15/25 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 20TH SEP 2026 TO 12 UTC OF 21ST
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: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 18 UTC OF 19TH SEP 2026 TO 12 UTC OF 20TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/15 KTS BEC CYCLONIC 10/20 KTS
AT 93 DEG E AND 14 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 20TH SEP 2026 TO 12 UTC OF 21ST
SEP 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC CYCLONIC 15/25 KTS
AT 90 DEG E AND 15 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 20/0800 UTC.
TOO: 19/2230.=