GMDSS BULLETIN II 111800
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 18 UTC OF 11TH SEPTEMBER 2026 TO 12 UTC OF 13TH SEPTEMBER
2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE LOW-PRESSURE AREA OVER NORTHWEST-WESTCENTRAL BAY OF BENGAL &
ADJOINING SOUTH ODISHA-NORTH ANDHRA PRADESH COASTS PERSISTED OVER THE
SAME REGION AT 0900 UTC OF TODAY, THE 11TH SEPTEMBER 2026. THE
ASSOCIATED CYCLONIC CIRCULATION EXTENDS UPTO 7.6 KM ABOVE MEAN SEA
LEVEL TILTING SOUTHWESTWARDS WITH HEIGHT. IT IS LIKELY TO BECOME MORE
MARKED AND MOVE WEST-NORTHWESTWARDS ACROSS SOUTH ODISHA-NORTH COASTAL
ANDHRA PRADESH DURING NEXT 24 HOURS.
THE UPPER AIR CYCLONIC CIRCULATION OVER EASTCENTRAL ARABIAN SEA OFF
SOUTH KONKAN AT 5.8 KM ABOVE MEAN SEA LEVEL PERSISTS.
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 11TH SEP 2026 TO 12 UTC OF 12TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 61 DEG E: SW/S-LY 10/20 KTS
2) E OF 61 DEG E TO THE N OF 5 DEG N: NW/W-LY
10/15 KTS.
3) REST AREA: SW/W-LY 10/20 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 60 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 60 DEG E: VERY POOR.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 12 UTC OF 12TH SEP 2026 TO 12 UTC OF 13TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 63 DEG E: SW/S-LY 10/20 KTS.
2) E OF 63 DEG E TO THE N OF 5 DEG N: NW/W-LY
10/15 KTS.
3) REST AREA: S/SW-LY 10/15 KTS.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 60 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 60 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 18 UTC OF 11TH SEP 2026 TO 12 UTC OF 12TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/20 KTS BEC W/NW-LY 10/15 KTS
TO THE E OF 65 DEG E.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 62 DEG E TO THE S OF 18 DEG N: ISOLATED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 62 DEG E TO THE S OF 18 DEG N: GOOD.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 12TH SEP 2026 TO 12 UTC OF 13TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/20 KTS BEC W/NW-LY 10/15 KTS
TO THE E OF 65 DEG E.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 58 DEG E TO THE S OF 22 DEG N: SCATTERED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 58 DEG E TO THE S OF 22 DEG N: 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 11TH SEP 2026 TO 12 UTC OF 12TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SE/S-LY 05/15 KTS BEC SW/W-LY 10/20 KTS
TO THE N OF 4 DEG N.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A3-FORECAST VALID FROM 12 UTC OF 12TH SEP 2026 TO 12 UTC OF 13TH
SEP 2026.
I) WIND DIRECTION AND SPEED: 1) W OF 88 DEG E: SW-LY 05/15 KTS.
2) REST AREA: ANTI-CYCLONIC 15/10 KTS.
II) WAVE HEIGHT: 1.0-3.0 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 11TH SEP 2026 TO 12 UTC OF 12TH
SEP 2026.
I) WIND DIRECTION AND SPEED: SW-LY 10/15 KTS BEC CYCLONIC 05/15 KTS
AT 85 DEG E AND 19 DEG N.
II) WAVE HEIGHT: 1.0-3.0 MTR.
III) WEATHER: 1) E OF 84 DEG E: WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 84 DEG E: VERY POOR.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 12 UTC OF 12TH SEP 2026 TO 12 UTC OF 13TH
SEP 2026.
I) WIND DIRECTION AND SPEED: S/SW-LY 10/15 KTS BEC W/NW-LY 05/15 KTS
TO THE E OF 90 DEG E.
II) WAVE HEIGHT: 1.0.-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: 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 12/0800 UTC.
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ISSUED BY INDIA METEOROLOGICAL DEPARTMENT=