GLOBAL MARITIME 111330 IST
DATE/TIME OF ISSUE: 11-05-2026/0800 UTC
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 11TH MAY 2026 TO 00 UTC OF 13TH MAY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
THE LOW-PRESSURE AREA OVER SOUTHWEST BAY OF BENGAL OFF NORTH SRI
LANKA COAST PERSISTS OVER THE SAME REGION AT 0300 UTC OF TODAY, THE
11TH MAY 2026, WITH THE ASSOCIATED CYCLONIC CIRCULATION EXTENDING
UPTO 5.8 KM ABOVE MEAN SEA LEVEL. IT IS LIKELY TO BECOME MORE MARKED
DURING NEXT 48 HOURS.
THE UPPER AIR CYCLONIC CIRCULATION OVER SOUTHEAST ARABIAN SEA &
LAKSHADWEEP ADJOINING KERALA COAST 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 11TH MAY 2026 TO 00 UTC OF 12TH
MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW-LY 05/15 KTS BEC
N/NW-LY 05/15 KTS
TO THE E OF 52 DEG E.
2) REST AREA: N/NW-LY 05/15 KTS BEC NW/W-LY 10/20 KTS
TO THE E OF 70 DEG E.
II) WAVE HEIGHT: 1.0-2.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
ARB A1-FORECAST VALID FROM 00 UTC OF 12TH MAY 2026 TO 00 UTC OF 13TH
MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/S-LY 10/20 KTS BEC
NW-LY 05/15 KTS
TO THE E OF 54 DEG E.
2) REST AREA: NW-LY 05/10 KTS BEC W/SW-LY 10/25 KTS
TO THE E OF 77 DEG E.
II) WAVE HEIGHT: 1.5-2.0 MTR.
III) WEATHER: 1) E OF 63 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) E OF 63 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 11TH MAY 2026 TO 00 UTC OF 12TH
MAY 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: SW/W-LY 10/20 KTS BEC
NW-LY 10/15 KTS TO THE E OF 68 DEG E.
2) E OF 62 DEG E TO THE S OF 20 DEG N: N/NW-LY 10/20 KTS
3) REST AREA: ANTI-CYCLONIC 05/10 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: 1) E OF 73 DEG E TO THE S OF 13 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 73 DEG E TO THE S OF 13 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 12TH MAY 2026 TO 00 UTC OF 13TH
MAY 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: SW/W-LY 10/20 KTS.
2) REST AREA: S/SW-LY 05/15 KTS BEC W/NW-LY 10/20 KTS
TO THE E OF 60 DEG E
II) WAVE HEIGHT: 0.5-2.0 MTR.
III) WEATHER: 1) E OF 74 DEG E TO THE S OF 14 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 74 DEG E TO THE S OF 14 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 09 UTC OF 11TH MAY 2026 TO 00 UTC OF 12TH
MAY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/20 KTS BEC CYCLONIC 05/15 KTS
AT 82 DEG E
AND 09 DEG N.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 00 UTC OF 12TH MAY 2026 TO 00 UTC OF 13TH
MAY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/25 KTS BEC CYCLONIC 05/15 KTS
AT 83 DEG E
AND 09 DEG N.
II) WAVE HEIGHT: 1.5-3.0 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 11TH MAY 2026 TO 00 UTC OF 12TH
MAY 2026.
I) WIND DIRECTION AND SPEED: E/SE-LY 05/15 KTS BEC NE-LY 10/15 KTS TO
THE W OF
84 DEG E.
II) WAVE HEIGHT: 0.5-1.5 MTR
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A4-FORECAST VALID FROM 00 UTC OF 12TH MAY 2026 TO 00 UTC OF 13TH
MAY 2026.
I) WIND DIRECTION AND SPEED: SE/S-LY 05/15 KTS.
II) WAVE HEIGHT: 1.0-2.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
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.=