GMDSS BULLETIN I 100900
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
30E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 09 UTC OF 10 TH FEB 2026 TO 00 UTC OF 12 TH FEB 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 0300 UTC:
AN UPPER AIR CYCLONIC CIRCULATION LIES OVER EAST EQUATORIAL INDIAN
OCEAN AND
ADJOINING SOUTHEAST BAY OF BENGAL AT 3.1 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 10 TH FEB 2026 TO 00 UTC OF 11
TH FEB 2026.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: 1) W OF 71 DEG E AND S OF 5 DEG N: SCATTERED RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) W OF 71 DEG E AND S OF 5 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 00 UTC OF 11 TH FEB 2026 TO 00 UTC OF 12
TH FEB 2026.
I) WIND DIRECTION AND SPEED: NE-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-2.5 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
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 10 TH FEB 2026 TO 00 UTC OF 11
TH FEB 2026.
I) WIND DIRECTION AND SPEED: 1) N OF 20 DEG N: ANTI-CYCLONIC 05/10
KTS.
2) REST AREA: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5-1.5 MTR.
III) WEATHER: 1) E OF 72 DEG E TO THE S OF 12 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 72 DEG E TO THE S OF 12 DEG N: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 00 UTC OF 11 TH FEB 2026 TO 00 UTC OF 12
TH FEB 2026.
I) WIND DIRECTION AND SPEED: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 1.5-1.5 MTR.
III) WEATHER: FAIR.
IV) VISIBILITY: 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 10 TH FEB 2026 TO 00 UTC OF 11
TH FEB 2026.
I) WIND DIRECTION AND SPEED: E/NE-LY 10/20 KTS BEC CYCLONIC 10/15 KTS
AT 86 DEG E AND 3 DEG N.
II) WAVE HEIGHT: 1.5\U20132.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB A3-FORECAST VALID FROM 00 UTC OF 11 TH FEB 2026 TO 00 UTC OF 12
TH FEB 2026.
I) WIND DIRECTION AND SPEED: NE-LY 15/20 KTS BEC CYCLONIC 05/10 KTS
AT 85 DEG E AND 4 DEG N.
II) WAVE HEIGHT: 1.5\U20132.5 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 09 UTC OF 10 TH FEB 2026 TO 00 UTC OF 11
TH FEB 2026.
I) WIND DIRECTION AND SPEED: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5\U20131.5 MTR.
III) WEATHER: 1) E OF 86 DEG E TO THE S OF 16 DEG N: ISOLATED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 86 DEG E TO THE S OF 16 DEG N: GOOD.
2) REST AREA: GOOD.
BOB A4-FORECAST VALID FROM 00 UTC OF 11 TH FEB 2026 TO 00 UTC OF 12
TH FEB 2026.
I) WIND DIRECTION AND SPEED: N/NE-LY 10/15 KTS.
II) WAVE HEIGHT: 0.5\U20131.5 MTR.
III) WEATHER: 1) S OF 13 DEG N: ISOLATED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) S OF 13 DEG N: GOOD.
2) REST AREA: GOOD.
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 10/1700 UTC.=