GMDSS BULLETIN II 151800
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 15 TH MAY 2026 TO 12 UTC OF 17 TH MAY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE WELL-MARKED LOW-PRESSURE AREA OVER SOUTHWEST & ADJOINING
WESTCENTRAL
BAY OF BENGAL PERSISTS OVER THE SAME REGION AT 1200 UTC OF TODAY, THE
15TH MAY
2026 AND THE ASSOCIATED CYCLONIC CIRCULATION EXTENDS UPTO 5.8 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 18 UTC OF 15 TH MAY 2026 TO 12 UTC OF 16
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 60 DEG E: SW/W-LY 10/25 KTS.
2) REST AREA: NW/W-LY 10/15 KTS BEC W/SW-LY 10/20 KTS
TO THE E OF 76 DEG E.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
ARB A1-FORECAST VALID FROM 12 UTC OF 16 TH MAY 2026 TO 12 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 W/SW-LY 10/20 KTS
TO THE E OF 75 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 18 UTC OF 15 TH MAY 2026 TO 12 UTC OF 16
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 65 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) W OF 65 DEG E TO THE S OF 15 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 65 DEG E TO THE S OF 15 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 16 TH MAY 2026 TO 12 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC NW-LY 10/20 KTS
TO THE E OF 66 DEG E.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) S OF 16 DEG N: SCATTERED RA/TS.
3) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 16 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 15 TH MAY 2026 TO 12 UTC OF 16
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 16 TH MAY 2026 TO 12 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS.
II) WAVE HEIGHT: 1.5-3.0 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 15 TH MAY 2026 TO 12 UTC OF 16
TH MAY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 88 DEG E: CYCLONIC 05/10 KTS AT
83 DEG E
AND 12.5 DEG N.
2) REST AREA: SW/S-LY 15/25 KTS BEC SE/S-LY 05/15 KTS
TO THE N OF 18 DEG N.
II) WAVE HEIGHT: 1.5-2.5 MTR
III) WEATHER: 1) S OF 18 DEG N TO THE E OF 84 DEG E: FAIRLY
WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 18 DEG N TO THE E OF 84 DEG E: POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 16 TH MAY 2026 TO 12 UTC OF 17
TH MAY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/25 KTS BEC SE-LY 10/15 KTS TO
THE
N OF 18 DEG N.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: 1) S OF 16 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) S OF 16 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 16/0800 UTC=