GLOBAL MARITIME 132230 IST
DATE/TIME OF ISSUE: 13-08-2026/1700 UTC
GMDSS BULLETIN II 131800
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 13 TH AUGUST 2026 TO 12 UTC OF 15 TH AUGUST
2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE DEPRESSION OVER COASTAL WEST BENGAL MOVED WEST-NORTHWESTWARDS
WITH A
SPEED OF 12 KMPH DURING PAST 6 HOURS AND LAY CENTRED AT 1200 UTC OF
TODAY, THE
13TH AUGUST, 2026, OVER THE SAME REGION NEAR LATITUDE 22.6ON AND
LONGITUDE 87.8OE,
ABOUT 50 KM EAST-NORTHEAST OF MEDINIPUR (WEST BENGAL), 60 KM WEST OF
KOLKATA
(WEST BENGAL), 110 KM SOUTHEAST OF BANKURA (WEST BENGAL), 160 KM
EAST-SOUTHEAST
OF PURULIA (WEST BENGAL) AND 170 KM EAST OF JAMSHEDPUR (JHARKHAND).
IT IS VERY LIKELY TO CONTINUE TO MOVE WEST-NORTHWESTWARDS ACROSS
GANGETIC
WEST BENGAL AND JHARKHAND DURING NEXT 24 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 13 TH AUGUST 2026 TO 12 UTC OF
14 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/30 KTS.
II) WAVE HEIGHT: 2.0-4.5 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 A1-FORECAST VALID FROM 12 UTC OF 14 TH AUGUST 2026 TO 12 UTC OF
15 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS.
II) WAVE HEIGHT: 3.0-4.5 MTR.
III) WEATHER: 1) E OF 72 DEG E: SCATTERED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 72 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 13 TH AUGUST 2026 TO 12 UTC OF
14 TH AUGUST
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 68 DEG E: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 68 DEG E: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 14 TH AUGUST 2026 TO 12 UTC OF
15 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.
II) WAVE HEIGHT: 3.0-4.0 MTR.
III) WEATHER: 1) E OF 69 DEG E: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 69 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 13 TH AUGUST 2026 TO 12 UTC OF
14 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/25 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 14 TH AUGUST 2026 TO 12 UTC OF
15 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS.
II) WAVE HEIGHT: 2.0-3.0 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 18 UTC OF 13 TH AUGUST 2026 TO 12 UTC OF
14 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 83 DEG E: WIDESPREAD RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 83 DEG E: VERY POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 14 TH AUGUST 2026 TO 12 UTC OF
15 TH AUGUST
2026.
I) WIND DIRECTION AND SPEED: SW-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 14/0800 UTC.=