GMDSS BULLETIN I 110900
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 11 TH NOVEMBER 2026 TO 00 UTC OF 13 TH NOVEMBER
2026.
PART-I STORM WARNING: NIL
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
AN UPPER AIR CYCLONIC CIRCULATION LIES OVER SOUTH ANDAMAN SEA &
NEIGHBOURHOOD
AND EXTENDS UPTO 5.8 KM ABOVE MEAN SEA LEVEL. UNDER ITS INFLUENCE, A
LOW
PRESSURE AREA IS LIKELY TO FORM OVER SOUTHEAST BAY OF BENGAL AROUND
13TH
NOVEMBER, 2026. IT IS LIKELY TO MOVE NORTHWESTWARDS AND BECOME WELL
MARKED
LOW PRESSURE AREA DURING SUBSEQUENT 24 HOURS.
THE UPPER AIR CYCLONIC CIRCULATION OVER SOUTHEAST ARABIAN SEA &
ADJOINING
LAKSHADWEEP AREA AT 0.9 KM ABOVE MEAN SEA LEVEL PERSISTS.
THE UPPER AIR CYCLONIC CIRCULATION OVER GULF OF MANNAR &
NEIGHBOURHOOD AT 0.9
KM ABOVE MEAN SEA LEVEL PERSISTS.
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 11 TH NOV 2026 TO 00 UTC OF 12
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 57 DEG E: NE/N-LY 05/10 KTS BEC
NW/W-LY 05/10 KTS
TO THE S OF 5 DEG N.
2) E OF 57 DEG E TO N OF 4 DEG N: CYCLONIC 05/10 KTS AT
61 DEG E AND 7 DEG N.
3) REST AREA: NW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 0.5-3.0 MTR.
III) WEATHER: 1) E OF 54 DEG E TO THE N OF 4 DEG N: WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 54 DEG E TO THE N OF 4 DEG N: VERY POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 00 UTC OF 12 TH NOV 2026 TO 00 UTC OF 13
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 55 DEG E: NE/N-LY 05/10 KTS.
2) E OF 55 DEG E TO THE N OF 6 DEG N: NE-LY 05/15 KTS.
3) REST AREA: NW/W-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-3.0 MTR.
III) WEATHER: 1) E OF 65 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 65 DEG E: 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 09 UTC OF 11 TH NOV 2026 TO 00 UTC OF 12
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: NE/N-LY 05/15 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) E OF 54 DEG E TO THE S OF 12 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 54 DEG E TO THE S OF 12 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 12 TH NOV 2026 TO 00 UTC OF 13
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: NE/N-LY 05/15 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) S OF 12 DEG N: ISOLATED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 12 DEG N: GOOD.
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 11 TH NOV 2026 TO 00 UTC OF 12
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: E/SE-LY 10/20 KTS BEC
CYCLONIC 05/10 KTS
AT 87 DEG E AND 9 DEG N.
2) REST AREA: SW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 0.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 00 UTC OF 12 TH NOV 2026 TO 00 UTC OF 13
TH NOV 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: CYCLONIC 05/10 KTS AT
89 DEG E AND
9 DEG N.
2) REST AREA: SW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 0.5-3.0 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 09 UTC OF 11 TH NOV 2026 TO 00 UTC OF 12
TH NOV 2026.
I) WIND DIRECTION AND SPEED: E/SE-LY 10/20 KTS BEC E/NE-LY 10/15 KTS
TO THE W OF 88 DEG E.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB A4-FORECAST VALID FROM 00 UTC OF 12 TH NOV 2026 TO 00 UTC OF 13
TH NOV 2026.
I) WIND DIRECTION AND SPEED: E/NE-LY 10/20 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) S OF 18 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 18 DEG N: 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 11/1700 UTC.=