GLOBAL MARITIME 122230 IST
DATE/TIME OF ISSUE: 12-05-2026/1700 UTC
GMDSS BULLETIN II 121800
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 12 TH MAY 2026 TO 12 UTC OF 14 TH MAY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE LOW-PRESSURE AREA OVER SOUTHWEST BAY OF BENGAL LAY OVER THE SAME
REGION
AT 1200 UTC OF TODAY, THE 12 TH MAY 2026, WITH THE ASSOCIATED
CYCLONIC CIRCULATION
EXTENDING UPTO 4.5 KM ABOVE MEAN SEA LEVEL. IT IS LIKELY TO BECOME
MORE MARKED
DURING THE NEXT 48 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 12 TH MAY 2026 TO 12 UTC OF 13
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 57 DEG E: SW/S-LY 10/15 KTS.
2) REST AREA: NW/W-LY 10/15 KTS BEC W/SW-LY 10/25 KTS
TO THE E OF 76 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: 1) E OF 66 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 66 DEG E: POOR.
2) REST AREA: MODERATE.
ARB A1-FORECAST VALID FROM 12 UTC OF 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/W-LY 10/20 KTS.
2) REST AREA: W/NW-LY 10/15 KTS BEC W/SW-LY 10/25 KTS
TO THE E OF 75 DEG E.
II) WAVE HEIGHT: 1.5-3.0 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 12 TH MAY 2026 TO 12 UTC OF 13
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: SW/W-LY 10/20 KTS.
2) REST AREA: SW/W-LY 10/15 KTS BEC NW-LY 10/20 KTS
TO THE E OF 62 DEG E.
II) WAVE HEIGHT: 1.5-2.0 MTR.
III) WEATHER: 1) W OF 58 DEG E TO THE S OF 14 DEG N: SCATTERED RA/TS.
2) E OF 73 DEG E TO THE S OF 13 DEG N: SCATTERED RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) W OF 58 DEG E TO THE S OF 14 DEG N: MODERATE.
2) E OF 73 DEG E TO THE S OF 13 DEG N: MODERATE.
3) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: SW/W-LY 15/20 KTS.
2) REST AREA: SW/W-LY 10/15 KTS BEC W/NW-LY 10/20 KTS
TO THE E OF 63 DEG E
II) WAVE HEIGHT: 1.5-2.0 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 18 UTC OF 12 TH MAY 2026 TO 12 UTC OF 13
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC CYCLONIC 05/15 KTS
AT 84 DEG E
AND 10 DEG N.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/25 KTS.
II) WAVE HEIGHT: 1.5-3.5 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 12 TH MAY 2026 TO 12 UTC OF 13
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SE/S-LY 05/15 KTS BEC CYCLONIC 05/15 KTS
AT 84 DEG E AND 10 DEG N.
II) WAVE HEIGHT: 0.5-1.5 MTR
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A4-FORECAST VALID FROM 12 UTC OF 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SE/S-LY 05/15 KTS BEC CYCLONIC 05/15 KTS
AT 83 DEG E AND 11 DEG N.
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) S OF 18 DEG N: WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 18 DEG N: VERY 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 13/0800 UTC.=