GMDSS BULLETIN I 160900
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 16 TH MAY 2026 TO 00 UTC OF 18 TH MAY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
THE WELL-MARKED LOW-PRESSURE AREA OVER SOUTHWEST & ADJOINING
WESTCENTRAL
BAY OF BENGAL LAY AS A LOW-PRESSURE AREA OVER THE SAME REGION AT 0300
UTC OF
TODAY, THE 16TH MAY 2026. THE ASSOCIATED CYCLONIC CIRCULATION EXTENDS
UPTO 4.5 KM
ABOVE MEAN SEA LEVEL TILTING SOUTHWESTWARDS WITH HEIGHT.
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 16 TH MAY 2026 TO 00 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW-LY 10/25 KTS.
2) REST AREA: W/NW-LY 10/15 KTS BEC SW-LY 10/20 KTS
TO THE E OF 74 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
ARB A1-FORECAST VALID FROM 00 UTC OF 17 TH MAY 2026 TO 00 UTC OF 18
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW-LY 10/25 KTS.
2) REST AREA: W/NW-LY 05/10 KTS BEC W/SW-LY 10/20 KTS
TO THE E OF 74 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY 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 09 UTC OF 16 TH MAY 2026 TO 00 UTC OF 17
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 64 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) W OF 65 DEG E TO THE S OF 16 DEG N: SCATTERED RA/TS.
2) E OF 73 DEG E TO THE S OF 13 DEG N: WIDESPREAD RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) W OF 65 DEG E TO THE S OF 15 DEG N: MODERATE.
2) E OF 73 DEG E TO THE S OF 13 DEG N: VERY POOR.
3) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 17 TH MAY 2026 TO 00 UTC OF 18
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC NW-LY 10/20 KTS
TO THE E OF 65 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) S OF 15 DEG N: SCATTERED RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) 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 09 UTC OF 16 TH MAY 2026 TO 00 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS BEC NW-LY 10/15 KTS
TO THE E OF 96 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
BOB A3-FORECAST VALID FROM 00 UTC OF 17 TH MAY 2026 TO 00 UTC OF 18
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: SW/W-LY 10/25 KTS BEC
W/NW-LY 10/20 KTS
TO THE E OF 94 DEG E.
2) REST AREA: ANTI-CYCLONIC 05/10 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 09 UTC OF 16 TH MAY 2026 TO 00 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 88 DEG E: CYCLONIC 05/10 KTS AT
84 DEG E
AND 12.5 DEG N.
2) REST AREA: SW-LY 15/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR
III) WEATHER: 1) S OF 18 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 18 DEG N: POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 00 UTC OF 17 TH MAY 2026 TO 00 UTC OF 18
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: 1) S OF 15 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 15 DEG N: 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 16/1700 UTC.
ISSUED BY: INDIA METEOROLOGICAL DEPARTMENT, NEW DELHI=