GLOBAL MARITIME 232230 IST
DATE/TIME OF ISSUE: 23-11-2025/1700 UTC
GMDSS BULLETIN II 231800
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 2345\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 23 RD NOVEMBER 2025 TO 12 UTC OF 25 TH NOVEMBER 2025.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE WELL-MARKED LOW PRESSURE AREA OVER STRAIT OF MALACCA AND ADJOINING SOUTH
ANDAMAN SEA PERSISTED OVER THE SAME REGION AT 1200 UTC OF TODAY, THE 23 RD
NOVEMBER 2025. THE ASSOCIATED CYCLONIC CIRCULATION EXTENDED UPTO 7.6 KM ABOVE
MEAN SEA LEVEL. IT IS VERY LIKELY TO MOVE WEST-NORTHWESTWARDS AND INTENSIFY INTO
A DEPRESSION OVER SOUTHEAST BAY OF BENGAL AND ADJOINING SOUTH ANDAMAN SEA ON
24 TH NOVEMBER 2025. CONTINUING TO MOVE FURTHER WEST-NORTHWESTWARDS, IT IS VERY
LIKELY TO INTENSIFY INTO A CYCLONIC STORM OVER SOUTHEAST BAY OF BENGAL DURING
SUBSEQUENT 48 HOURS.
THE UPPER AIR CYCLONIC CIRCULATION OVER COMORIN AREA & NEIGHBOURHOOD
EXTENDING UPTO 5.8 KM ABOVE MEAN SEA LEVEL PERSISTS. UNDER ITS INFLUENCE, A LOW-
PRESSURE AREA IS LIKELY TO FORM OVER COMORIN AND ADJOINING AREAS OF SOUTHWEST
BAY OF BENGAL AND SRI LANKA AROUND 25TH NOVEMBER.
THE CYCLONIC CIRCULATION OVER SOUTHEAST ARABIAN SEA EXTENDING UPTO 3.1 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 18 UTC OF 23 RD NOVEMBER 2025 TO 12 UTC OF 24 TH NOV 2025.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N AND E OF 60 DEG E TO W OF 70 DEG E:
CYCLONIC 05/15 KTS AT 63 DEG E AND 7 DEG N.
2) N OF 5 DEG N AND E OF 70 DEG E: CYCLONIC 05/15 KTS AT
78 DEG E AND 7 DEG N.
3) S OF 5 DEG N TO THE E OF 60 DEG E: W/SW-LY 10/20 KTS.
4) REST AREA: NE/N-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: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 60 DEG E: VERY POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 12 UTC OF 24 TH NOVEMBER 2025 TO 12 UTC OF 25 TH NOV 2025.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N AND E OF 60 DEG E TO THE W 70 DEG E:
CYCLONIC 05/10 KTS AT 63 DEG E AND 6 DEG N.
2) N OF 5 DEG N TO THE E OF 70 DEG E: CYCLONIC 05/15 KTS
AT 79 DEG E AND 7 DEG N.
3) S OF 5 DEG N TO THE E OF 60 DEG E: W/SW-LY 10/20 KTS.
4) REST AREA: NE/N-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 58 DEG E: WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 58 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 23 RD NOVEMBER 2025 TO 12 UTC OF 24 TH NOV 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-2.5 MTR.
III) WEATHER: 1) E OF 63 DEG E TO THE S OF 13 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 63 DEG E TO THE S OF 13 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 24 TH NOVEMBER 2025 TO 12 UTC OF 25 TH NOV 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-2.5 MTR.
III) WEATHER: 1) E OF 59 DEG E TO THE S OF 13 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 59 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 18 UTC OF 23 RD NOVEMBER 2025 TO 12 UTC OF 24 TH NOV 2025.
I) WIND DIRECTION AND SPEED: 1) E OF 90 DEG E: CYCLONIC 10/15 KTS AT 94 DEG E AND
5 DEG N.
2) N OF 5 DEG N TO THE W OF 90 DEG E: NE-LY 10/15 KTS.
3) REST AREA: W/SW-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0\u20133.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 24 TH NOVEMBER 2025 TO 12 UTC OF 25 TH NOV 2025.
I) WIND DIRECTION AND SPEED: 1) E OF 90 DEG E: CYCLONIC 10/20 KTS AT 93 DEG E AND
6 DEG N.
2) N OF 5 DEG N TO THE W OF 90 DEG E: NE/N-LY 10/15 KTS.
3) REST AREA: W/NW-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0\u20133.0 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 18 UTC OF 23 RD NOVEMBER 2025 TO 12 UTC OF 24 TH NOV 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0\u20133.0 MTR.
III) WEATHER: 1) S OF 12 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 12 DEG N: MODERATE.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 24 TH NOVEMBER 2025 TO 12 UTC OF 25 TH NOV 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0\u20133.5 MTR.
III) WEATHER: 1) S OF 12 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 12 DEG N: MODERATE.
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 24/0800 UTC.