GMDSS BULLETIN I 230900
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 23O45N 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
30E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 09 UTC OF 23 RD JUNE 2026 TO 00 UTC OF 25 TH JUNE 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
THE UPPER AIR CYCLONIC CIRCULATION OVER CENTRAL PARTS OF NORTH &
ADJOINING
CENTRAL BAY OF BENGAL PERSISTS AND NOW LIES BETWEEN 4.5 & 5.8 KM
ABOVE MEAN SEA
LEVEL.
AN UPPER AIR CYCLONIC CIRCULATION LIES OVER LAKSHADWEEP AREA &
NEIGHBOURHOOD
AT 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 09 UTC OF 23 RD JUNE 2026 TO 00 UTC OF 24
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 65 DEG E: SW/W-LY 10/25 KTS.
2) REST AREA: NW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0-3.0 MTR.
III) WEATHER: 1) E OF 64 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 64 DEG E: VERY POOR.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 00 UTC OF 24 TH JUNE 2026 TO 00 UTC OF 25
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 65 DEG E: SW/W-LY 10/25 KTS.
2) REST AREA: NW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0-3.0 MTR.
III) WEATHER: 1) E OF 64 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 64 DEG E: VERY POOR.
2) REST AREA: GOOD.
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 23 RD JUNE 2026 TO 00 UTC OF 24
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.
II) WAVE HEIGHT: 2.0-3.0 MTR.
III) WEATHER: 1) E OF 63 DEG E TO THE S OF 21 DEG N: WIDESPREAD
RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 63 DEG E TO THE S OF 21 DEG N: VERY POOR.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 24 TH JUNE 2026 TO 00 UTC OF 25
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.
II) WAVE HEIGHT: 2.0-3.0 MTR.
III) WEATHER: 1) E OF 64 DEG E TO THE S OF 20 DEG N: FAIRLY
WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 64 DEG E TO THE S OF 20 DEG N: POOR.
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 23 RD JUNE 2026 TO 00 UTC OF 24
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
BOB A3-FORECAST VALID FROM 00 UTC OF 24 TH JUNE 2026 TO 00 UTC OF 25
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 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 09 UTC OF 23 RD JUNE 2026 TO 00 UTC OF 24
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB A4-FORECAST VALID FROM 00 UTC OF 24 TH JUNE 2026 TO 00 UTC OF 25
TH JUNE 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: 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 23/1700 UTC.=