GLOBAL MARITIME 112230 IST
DATE/TIME OF ISSUE: 11-12-2025/1700 UTC
GMDSS BULLETIN II 111800
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 11TH DECEMBER 2025 TO 12 UTC OF 13TH DECEMBER
2025.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE UPPER AIR CYCLONIC CIRCULATION OVER SOUTHWEST BAY OF BENGAL &
ADJOINING AREAS OF EAST EQUATORIAL INDIAN OCEAN OFF SOUTH SRI LANKA
COAST AT 5.8 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 11TH DECEMBER 2025 TO 12 UTC OF
12TH DEC 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) E OF 72 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 72 DEG E: POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 12 UTC OF 12TH DECEMBER 2025 TO 12 UTC OF
13TH DECE 2025.
I) WIND DIRECTION AND SPEED: NE/N-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.0 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 11TH DECEMBER 2025 TO 12 UTC OF
12TH DEC 2025.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: FAIR.
IV) VISIBILITY: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 12TH DECEMBER 2025 TO 12 UTC OF
13TH DECE 2025.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: FAIR.
IV) VISIBILITY: 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 11TH DECEMBER 2025 TO 12 UTC OF
12TH DEC 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) S OF 5 DEG N: WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) S OF 5 DEG N: VERY POOR.
2) REST AREA: MODERATE.
BOB A3-FORECAST VALID FROM 12 UTC OF 12TH DECEMBER 2025 TO 12 UTC OF
13TH DECE 2025.
I) WIND DIRECTION AND SPEED: NE/N-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 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 11TH DECEMBER 2025 TO 12 UTC OF
12TH DEC 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) S OF 16 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 16 DEG N: MODERATE.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 12TH DECEMBER 2025 TO 12 UTC OF
13TH DECE 2025.
I) WIND DIRECTION AND SPEED: NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-2.5 MTR.
III) WEATHER: 1) S OF 15 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 15 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 12/0800 UTC.=