GMDSS BULLETIN I 150900
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 15 TH JULY 2026 TO 00 UTC OF 17 TH JULY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
THE LOW PRESSURE AREA OVER NORTHWEST BAY OF BENGAL OFF NORTH ODISHA
-WEST
BENGAL COASTS NOW LAY OVER NORTHWEST BAY OF BENGAL AND ADJOINING
NORTH
ODISHA -WEST BENGAL COASTS AT 0300 UTC OF TODAY, 15TH JULY, 2026. THE
ASSOCIATED
CYCLONIC CIRCULATION EXTENDS UPTO 7.6 KM ABOVE MEAN SEA LEVEL TILTING
SOUTHWESTWARDS WITH HEIGHT. IT IS VERY LIKELY BECOME WELL MARKED LOW
PRESSURE
AREA AND MOVE NORTHWESTWARDS ACROSS NORTH ODISHA & GANGETIC WEST
BENGAL
DURING NEXT 2 DAYS.
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 15 TH JULY 2026 TO 00 UTC OF 16
TH JULY 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 70 DEG E: SW-LY 15/30 KTS.
2) E OF 60 TO 70 DEG E: SE-LY 05/10 KTS BEC SW-LY 05/10 KTS
TO THE N OF 5 DEG N.
3) REST AREA: SW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) W OF 67 DEG E: SCATTERED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) W OF 67 DEG E: MODERATE.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 00 UTC OF 16 TH JULY 2026 TO 00 UTC OF 17
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/30 KTS.
II) WAVE HEIGHT: 2.0-3.5 MTR.
III) WEATHER: 1) W OF 70 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) W OF 70 DEG E: 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 15 TH JULY 2026 TO 00 UTC OF 16
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/30 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 70 DEG E: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 70 DEG E: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 16 TH JULY 2026 TO 00 UTC OF 17
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/30 KTS BEC W/NW-LY 10/20 KTS
TO THE E OF 70 DEG E.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 69 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 69 DEG E: 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 15 TH JULY 2026 TO 00 UTC OF 16
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/25 KTS.
II) WAVE HEIGHT: 2.0-3.5 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
BOB A3-FORECAST VALID FROM 00 UTC OF 16 TH JULY 2026 TO 00 UTC OF 17
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 09 UTC OF 15 TH JULY 2026 TO 00 UTC OF 16
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC SE-LY 10/15 KTS TO
THE N OF 21 DEG N.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 86 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 86 DEG E: POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 00 UTC OF 16 TH JULY 2026 TO 00 UTC OF 17
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC SE-LY 10/15 KTS TO
THE N OF 22 DEG N.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) N OF 05 DEG N: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: SCATTERED RA/TS.
IV) VISIBILITY: 1) N OF 05 DEG N: POOR.
2) REST AREA: MODERATE.
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 15/1700 UTC.=