FQIN01 DEMS 151800

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 15TH AUGUST 2026 TO 12 UTC OF 17TH AUGUST 2026.

PART-I STORM WARNING: NIL.

PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:

THE UPPER AIR CYCLONIC CIRCULATION OVER NORTHWEST BAY OF BENGAL

BETWEEN 5.8 & 7.6 KM ABOVE MEAN SEA LEVELS PERSISTS. UNDER ITS

INFLUENCE, A LOW-PRESSURE AREA LIKELY TO FORM OVER NORTH BAY OF

BENGAL DURING NEXT 48 HOURS.

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 15TH AUGUST 2026 TO 12 UTC OF

16TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW/W-LY 10/30 KTS.

II) WAVE HEIGHT: 2.0-3.5 MTR.

III) WEATHER: ISOLATED RA/TS.

IV) VISIBILITY: GOOD.

ARB A1-FORECAST VALID FROM 12 UTC OF 16TH AUGUST 2026 TO 12 UTC OF

17TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: 1) N OF 5 DEG N: SW/W-LY 10/25 KTS.

2) REST AREA: S/SW-LY 05/15 KTS.

II) WAVE HEIGHT: 2.5-3.5 MTR.

III) WEATHER: 1) E OF 68 DEG E: SCATTERED RA/TS.

2) REST AREA: ISOLATED RA/TS.

IV) VISIBILITY: 1) E OF 68 DEG E: MODERATE.

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 18 UTC OF 15TH AUGUST 2026 TO 12 UTC OF

16TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.

II) WAVE HEIGHT: 2.0-4.0 MTR.

III) WEATHER: 1) E OF 68 DEG E: SCATTERED RA/TS.

2) REST AREA: ISOLATED RA/TS.

IV) VISIBILITY: 1) E OF 68 DEG E: MODERATE.

2) REST AREA: GOOD.

ARB A2-FORECAST VALID FROM 12 UTC OF 16TH AUGUST 2026 TO 12 UTC OF

17TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.

II) WAVE HEIGHT: 2.0-4.0 MTR.

III) WEATHER: 1) E OF 68 DEG E: SCATTERED RA/TS.

2) REST AREA: ISOLATED RA/TS.

IV) VISIBILITY: 1) E OF 68 DEG E: MODERATE.

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 18 UTC OF 15TH AUGUST 2026 TO 12 UTC OF

16TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS.

II) WAVE HEIGHT: 2.0-3.5 MTR.

III) WEATHER: FAIRLY WIDESPREAD RA/TS.

IV) VISIBILITY: POOR.

BOB A3-FORECAST VALID FROM 12 UTC OF 16TH AUGUST 2026 TO 12 UTC OF

17TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW/W-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 18 UTC OF 15TH AUGUST 2026 TO 12 UTC OF

16TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: W/SW-LY 15/20 KTS.

II) WAVE HEIGHT: 2.0-3.5 MTR.

III) WEATHER: WIDESPREAD RA/TS.

IV) VISIBILITY: VERY POOR.

BOB A4-FORECAST VALID FROM 12 UTC OF 16TH AUGUST 2026 TO 12 UTC OF

17TH AUGUST 2026.

I) WIND DIRECTION AND SPEED: SW/S-LY 15/20 KTS.

II) WAVE HEIGHT: 2.0-3.5 MTR.

III) WEATHER: WIDESPREAD RA/TS.

IV) VISIBILITY: VERY 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 16/0800 UTC=