GLOBAL MARITIME 292230 IST
DATE/TIME OF ISSUE: 29-09-2026/1700 UTC
GMDSS BULLETIN NO-06 291800
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'N 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'E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 18 UTC OF 29TH SEPTEMBER 2026 TO 12 UTC OF 01ST OCTOBER
2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE DEPRESSION OVER COASTAL MYANMAR AND ADJOINING NORTHEAST BAY OF
BENGAL MOVED WEST-NORTHWESTWARDS WITH A SPEED OF 18 KMPH DURING PAST
6 HOURS AND LAY CENTRED AT 1200 UTC OF TODAY, THE 29TH SEPTEMBER 2026
OVER COASTAL MYANMAR AND ADJOINING NORTHEAST BAY OF BENGAL &
SOUTHEAST BANGLADESH NEAR LATITUDE 20.7ON AND LONGITUDE 94.3OE, ABOUT
80 KM SOUTH-SOUTHEAST OF MINDAT (MYANMAR), 170 KM EAST OF KYAUKTAW
(MYANMAR), 260 KM EAST-SOUTHEAST OF COX'S BAZAR (BANGLADESH), AND 320
KM SOUTHEAST OF CHITTAGONG (BANGLADESH), 370 KM SOUTH-SOUTHEAST OF
AIZAWL (MIZORAM, INDIA).
IT IS VERY LIKELY TO MOVE NORTHWESTWARDS AND WEAKEN INTO A
WELL-MARKED LOW-PRESSURE AREA OVER COASTAL MYANMAR AND ADJOINING
SOUTHEAST BANGLADESH & NORTHEAST BAY OF BENGAL DURING NEXT 12 HOURS.
THEREAFTER, IT IS VERY LIKELY TO CONTINUE TO MOVE FURTHER
NORTHWESTWARDS TOWARDS SOUTHEAST BANGLADESH AND ADJOINING AREAS OF
MYANMAR, MIZORAM, TRIPURA & NORTHEAST BAY OF BENGAL AND WEAKEN
GRADUALLY DURING SUBSEQUENT 24 HOURS.
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 29TH SEP 2026 TO 12 UTC OF 30TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 58 DEG E: SW/S-LY 10/20 KTS.
2) REST AREA: N/NW-LY 05/10 KTS BEC W/SW-LY 05/15 KTS
TO THE E OF 77 DEG E.
II) WAVE HEIGHT: 0.5-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
ARB A1-FORECAST VALID FROM 12 UTC OF 30TH SEP 2026 TO 12 UTC OF 01ST
OCTOBER 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 57 DEG E: SW/S-LY 10/20 KTS.
2) E OF 57 DEG E TO THE N OF 5 DEG N: N/NW-LY 05/15 KTS.
3) REST AREA: SW/W-LY 05/10 KTS.
II) WAVE HEIGHT: 0.5-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: 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 29TH SEP 2026 TO 12 UTC OF 30TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 05/15 KTS BEC NW/N-LY 05/10 KTS
TO THE E OF 62 DEG E.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: 1) S OF 19 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 19 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 30TH SEP 2026 TO 12 UTC OF 01ST
OCTOBER 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 68 DEG E: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: NW/N-LY 05/10 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: 1) S OF 17 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 17 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 29TH SEP 2026 TO 12 UTC OF 30TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: SW-LY 05/10 KTS BEC
NW/N-LY 05/10 KTS TO
THE E OF 92 DEG E.
2) REST AREA: S/SW-LY 05/10 KTS.
II) WAVE HEIGHT: 0.5-2.5 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 30TH SEP 2026 TO 12 UTC OF 01ST
OCTOBER 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: SW/W-LY 05/10 KTS BEC
NW/N-LY 05/10 KTS
TO THE E OF 88 DEG E.
2) REST AREA: ANTI-CYCLONIC 05/10 KTS.
II) WAVE HEIGHT: 0.5-2.5 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 18 UTC OF 29TH SEP 2026 TO 12 UTC OF 30TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/20 KTS BEC CYCLONIC 10/20 KTS
AT 20.7 DEG N
AND 94.3 DEG E.
II) WAVE HEIGHT: 1.5 -3.0 MTR.
III) WEATHER: 1) E OF 90 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 90 DEG E: POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 30TH SEP 2026 TO 12 UTC OF 01ST
OCTOBER 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 05/10 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: ISOLATED RA/TS.
IV) VISIBILITY: 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 30/0800 UTC.=