GLOBAL MARITIME 132230 IST
DATE/TIME OF ISSUE: 13-05-2026/1700 UTC
GMDSS BULLETIN II 131800
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 E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 18 UTC OF 13 TH MAY 2026 TO 12 UTC OF 15 TH MAY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE LOW-PRESSURE AREA OVER SOUTHWEST & ADJOINING WESTCENTRAL BAY
OF BENGAL
LAY AS A WELL-MARKED LOW-PRESSURE AREA OVER THE SAME REGION AT 1200
UTC OF
TODAY, THE 13 TH OF MAY 2026, WITH THE ASSOCIATED CYCLONIC
CIRCULATION EXTENDING
UPTO 5.8 KM ABOVE MEAN SEA LEVEL.
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 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 58 DEG E: SW/W-LY 10/25 KTS.
2) REST AREA: NW/W-LY 10/20 KTS BEC W/SW-LY 15/25 KTS
TO THE E OF 74 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
ARB A1-FORECAST VALID FROM 12 UTC OF 14 TH MAY 2026 TO 12 UTC OF 15
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/W-LY 10/20 KTS.
2) REST AREA: NW-LY 10/20 KTS BEC W/SW-LY 15/25 KTS
TO THE E OF 75 DEG E.
II) WAVE HEIGHT: 1.5-2.5 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 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC W/NW-LY 10/20 KTS
TO THE E OF 62 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) W OF 60 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: ISOLATED RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) W OF 60 DEG E TO THE S OF 14 DEG N: MODERATE.
2) E OF 73 DEG E TO THE S OF 13 DEG N: GOOD.
3) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 14 TH MAY 2026 TO 12 UTC OF 15
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC W/NW-LY 10/20 KTS
TO THE E OF 63 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) W OF 60 DEG E TO THE S OF 15 DEG N: SCATTERED RA/TS.
2) E OF 72 DEG E TO THE S OF 15 DEG N: SCATTERED RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) W OF 60 DEG E TO THE S OF 15 DEG N: MODERATE.
2) E OF 72 DEG E TO THE S OF 15 DEG N: MODERATE.
3) 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 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS.
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 14 TH MAY 2026 TO 12 UTC OF 15
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/25 KTS.
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 18 UTC OF 13 TH MAY 2026 TO 12 UTC OF 14
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 88 DEG E: CYCLONIC 05/10 KTS AT
84 DEG E
AND 12 DEG N.
2) REST AREA: SE/S-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR
III) WEATHER: 1) S OF 20 DEG N: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 20 DEG N: VERY POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 14 TH MAY 2026 TO 12 UTC OF 15
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/25 KTS BEC SE/S-LY 10/20 KTS
TO THE
N OF 14 DEG N.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: 1) S OF 18 DEG N: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
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 14/0800 UTC.=