SECURITY
WEATHER BULLETIN FOR METAREA XXI
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 31 AUGUST 2025 AT 0600UTC
PART 1
AT 310600UTC
GALE WARNING
17161
FROM 310600UTC TO 311200UTC
WINDS W N/W GUSTS 17 TO 19 MS
SEAS 2.2 TO 4.1 M
17210
FROM 310600UTC TO 010600UTC
WINDS N/W GUSTS 19 TO 24 MS
17230
FROM 311800UTC TO 010600UTC
WINDS N/W GUSTS 17 TO 20 MS
17243
FROM 310600UTC TO 010600UTC
WINDS N/W GUSTS 17 TO 20 MS
SEAS 2.3 TO 4.3 M
17244
FROM 310600UTC TO 010600UTC
WINDS N/W GUSTS 17 TO 20 MS
SEAS 2.4 TO 4.4 M
PART 2
SYNOPSIS AT 310600UTC
HIGH 1017 HPA 73N 125E MOVING E 15 KMH WEAKENS
LOW 993 HPA 82N 172E MOVING S/W 8 KMH
LOW 985 HPA 57N 179E STATIONARY
ICE AT 301200UTC
17243
ICE N TO 7737N 12500E, 7738N 12906E, 7719N 13447E,
7742N 13826E.
17243-17241
ICE W TO 7742N 13826E, 7830N 13829E, 7837N 13830E,
7859N 13403E, 7930N 13600E.
17241-17242-17244-17250-17260
ICE NE TO 7930N 13600E, 7913N 13932E, 7912N 14000E,
7901N 14507E, 7830N 14843E, 7701N 15627E,
7646N 15958E, 7645N 16017E, 7539N 16538E,
7543N 16726E, 7530N 16731E, 7517N 16736E.
17260-17180
ICE SE TO 7517N 16736E, 7510N 16613E, 7428N 16316E,
7348N 16351E, 7250N 16246E, 7248N 16102E,
7239N 15927E, 7207N 16104E, 7200N 16034E,
7147N 15944E, 7130N 15943E.
17180-17190-17210
ICE N TO 7130N 15943E, 7055N 16104E, 7037N 16337E,
6953N 16639E, 6957N 16700E, 7018N 16848E,
7057N 17016E, 7051N 17202E, 7119N 17245E,
7111N 17347E, 7053N 17319E, 7016N 17324E,
7004N 17613E, 6959N 17700E, 6955N 17729E,
6946N 17804E, 6847N 17745W.
17210-17200-17260
ICE W TO 6847N 17745W, 6928N 17630W, 7000N 17550W,
7051N 17441W, 7200N 17434W, 7206N 17433W.
17260-17200
ICE N TO 7206N 17433W, 7200N 17409W, 7128N 17210W,
7133N 16900W.
17243-17161
ICE E TO 7526N 13527E, 7524N 13500E, 7523N 13448E,
7519N 13500E, 7513N 13518E, 7459N 13517E,
7447N 13554E.
17161
ICE W TO 7447N 13554E, 7458N 13649E, 7520N 13616E,
7525N 13603E.
17161
ICE N TO 7415N 13559E, 7409N 13619E, 7420N 13713E,
7407N 13804E, 7408N 13849E, 7417N 13911E.
17161
ICE S TO 7417N 13911E, 7429N 13851E, 7439N 13731E,
7428N 13623E, 7415N 13559E.
17161-17163
ICE SW TO 7354N 14140E, 7409N 14126E, 7413N 14146E,
7359N 14312E, 7345N 14345E, 7333N 14412E,
7317N 14400E, 7321N 14329E.
17162
ICE N TO 7413N 14625E, 7406N 14631E, 7407N 14738E,
7413N 14759E.
17162
ICE S TO 7413N 14759E, 7421N 14724E, 7413N 14625E.
PART 3
FORECAST FROM 310600UTC TO 010600UTC
17120
WINDS N/W N 9 TO 14 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK RAIN FOG
SEAS 0.9 TO 1.6 M
17130
WINDS N/E N 4 TO 9 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK RAIN FOG
SEAS 0.2 TO 0.6 M
17140
WINDS W 5 TO 10 MS
AFTER 311200UTC N N/W 7 TO 12 MS
AFTER 010000UTC N N/W 9 TO 14 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.1 TO 2.1 M AFTER 311200UTC 1.5 TO 2.7 M
AFTER 010000UTC 1.6 TO 3.0 M
17151
WINDS N N/W 7 TO 12 MS
AFTER 010000UTC N N/W 10 TO 15 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.6 TO 3.0 M AFTER 010000UTC 2.0 TO 3.7 M
17152
WINDS N/W 8 TO 13 MS
AFTER 010000UTC N N/W 9 TO 14 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.1 M AFTER 010000UTC 1.8 TO 3.3 M
17153
WINDS N/W 5 TO 10 MS
AFTER 311500UTC W S/W 6 TO 11 MS
AFTER 010000UTC N N/W 9 TO 14 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.0 TO 1.9 M AFTER 311500UTC 1.0 TO 2.0 M
AFTER 010000UTC 1.5 TO 2.9 M
17154
WINDS N N/W 7 TO 12 MS
AFTER 311500UTC W S/W 7 TO 12 MS
AFTER 010000UTC N/W 8 TO 13 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.5 TO 2.9 M AFTER 311500UTC 1.2 TO 2.2 M
AFTER 010000UTC 1.7 TO 3.1 M
17161
WINDS W N/W 7 TO 12 MS GUSTS 17 TO 19 MS
AFTER 311200UTC N/W 10 TO 15 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.2 TO 4.1 M AFTER 311200UTC 2.0 TO 3.6 M
17162
WINDS W N/W 11 TO 16 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.7 M
17163
WINDS N/W 10 TO 15 MS
AFTER 311800UTC W N/W 7 TO 12 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.6 M AFTER 311800UTC 1.6 TO 3.0 M
17164
WINDS N/W 9 TO 14 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.1 TO 2.1 M
17165
WINDS N/W 7 TO 12 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.6 TO 3.0 M
17170
WINDS W N/W 9 TO 14 MS
AFTER 010000UTC N/W 7 TO 12 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.4 TO 2.6 M AFTER 010000UTC 1.3 TO 2.3 M
17181
WINDS N/W 8 TO 13 MS
TEMP MINUS 3 TO PLUS 2 DEGREES
VIS 4 TO 6 KM HAZE
17183
WINDS N/W 8 TO 13 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 6 KM HAZE
SEAS 0.5 TO 1.0 M
17184
WINDS N/W 8 TO 13 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 6 KM HAZE
SEAS 0.5 TO 1.0 M
17191
WINDS N/W 7 TO 12 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 6 KM HAZE
17193
WINDS N/W 8 TO 13 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 10 KM
SEAS 0.5 TO 1.0 M
17194
WINDS N/W 10 TO 15 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 6 KM HAZE
SEAS 0.5 TO 1.0 M
17200
WINDS N/W 11 TO 16 MS
TEMP MINUS 3 TO PLUS 2 DEGREES
VIS 4 TO 6 KM HAZE
17210
WINDS N/W 19 TO 24 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 6 KM RAIN
17220
WINDS S/E 11 TO 16 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 6 KM RAIN
SEAS 1.5 TO 2.0 M
17230
WINDS N/W 10 TO 15 MS
AFTER 311800UTC N/W 10 TO 15 MS GUSTS 17 TO 20 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG
17241
WINDS N/W N 6 TO 11 MS GUSTS 13 MS
TEMP 0 TO MINUS 3 DEGREES
VIS 4 TO 10 KM VIS IN FOG IN HAZE 1 TO 4 KM
LOCALLY PRECIPITATION HAZE FOG
17243
WINDS N/W 7 TO 12 MS GUSTS 17 TO 20 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.3 TO 4.3 M
17244
WINDS N/W 7 TO 12 MS GUSTS 17 TO 20 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 2.4 TO 4.4 M
17260
WINDS S/E 7 TO 12 MS
TEMP MINUS 3 TO PLUS 2 DEGREES
VIS 10 KM