SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 17 AUGUST 2026 AT 1800UTC
PART 1
AT 171800UTC
GALE WARNING
17040, 17230
FROM 181200UTC TO 181800UTC
WINDS W N/W GUSTS 17 TO 20 MS
17110, 17120
FROM 180300UTC TO 181800UTC
WINDS S/W W GUSTS 17 TO 20 MS
17243
FROM 181200UTC TO 181800UTC
WINDS S/W GUSTS 19 TO 24 MS
SEAS 2.1 TO 3.9 M
PART 2
SYNOPSIS AT 171800UTC
HIGH 1020 HPA 69N 004W MOVING N/E 15 KMH WEAKENS
LOW 996 HPA 63N 030E STATIONARY FILLING
HIGH 1024 HPA 73N 110E MOVING S 10 KMH INCREASE
LOW 1007 HPA 65N 147E MOVING N/E 15 KMH
ICE AT 171200UTC
A3-YERMAK PLATEAU-A4-BANKS N SPITSBERGEN-BANKS N NORDAUSTLANDET
ICE N TO 7947N 00819E, 7955N 01000E, 8000N 01057E,
8000N 01100E, 8001N 01115E, 8006N 01338E, 8030N 01525E,
8031N 01546E, 8039N 01807E, 8103N 01924E, 8107N 02129E,
8121N 02347E, 8054N 02437E, 8055N 02634E, 8119N 03000E.
01020-17010
ICE N TO 8119N 03000E, 8119N 03008E, 8137N 03205E,
8144N 03423E, 8214N 03555E, 8225N 04000E, 8227N 04044E.
17010-17290
ICE NW TO 8227N 04044E, 8230N 04115E, 8259N 04822E,
8348N 04812E.
17290
ICE N TO 8348N 04812E, 8421N 05434E, 8426N 05718E,
8440N 05912E, 8437N 06357E, 8440N 06610E, 8412N 08008E,
8340N 08538E, 8328N 08937E, 8245N 09404E.
17290-17230
ICE NE TO 8245N 09404E, 8230N 09654E, 8212N 09950E,
8204N 09934E, 8141N 10125E, 8123N 10033E, 8100N 10508E,
8023N 10417E, 8007N 10743E.
17230
ICE E TO 8007N 10743E, 7939N 10745E.
17230-17040
ICE SW TO 7939N 10745E, 7940N 10441E, 7954N 10232E,
8019N 10224E, 8033N 09934E, 8059N 10057E, 8122N 09554E,
8123N 09544E, 8117N 09311E, 8121N 09020E.
17040-17050
ICE E TO 8121N 09020E, 8105N 08850E, 8051N 09029E,
7933N 09013E, 7907N 09128E, 7858N 09327E, 7840N 09412E,
7810N 09228E, 7806N 09215E, 7752N 09237E, 7719N 08930E.
17050-17100
ICE E TO 7714N 08909E, 7711N 08853E, 7639N 09118E,
7618N 09245E, 7601N 09059E, 7555N 09131E, 7543N 08757E,
7534N 08750E, 7529N 08702E, 7523N 08655E, 7512N 08729E,
7508N 08806E.
17120
ICE W TO 7533N 11335E, 7542N 11436E, 7613N 11505E,
7627N 11418E, 7651N 11511E.
17120
ICE N TO 7651N 11511E, 7631N 11738E, 7550N 11808E,
7533N 11945E, 7531N 12044E, 7611N 12154E, 7629N 12500E.
PART 3
FORECAST FROM 171800UTC TO 181800UTC
01010, 01020
WINDS S/W W 7 TO 12 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 6 TO 10 KM VIS IN RAIN IN HAZE 1 TO 2 KM
SOMETIMES RAIN LOCALLY HAZE
SEAS 1.0 TO 2.0 M
01100
WINDS N/E 10 TO 15 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN RAIN IN HAZE 1 TO 2 KM
SOMETIMES RAIN LOCALLY HAZE
SEAS 1.0 TO 2.0 M
01110, 01120
WINDS S/E E 7 TO 12 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN FAIN IN HAZE 1 TO 2 KM
SOMETIMES RAIN LOCALLY HAZE
SEAS 1.0 TO 2.0 M
01130
WINDS S/E E 5 TO 10 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 0.3 TO 0.7 M
01140
WINDS S/E E 5 TO 10 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK RAIN FOG
SEAS 0.3 TO 0.7 M
01240, 01250
WINDS E N/E 7 TO 12 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 6 TO 10 KM VIS IN HAZE 1 TO 2 KM
SOMETIMES RAIN LOCALLY HAZE
SEAS 0.5 TO 1.0 M
17021
WINDS E S/E 6 TO 11 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.5 TO 1.0 M
17022
WINDS S/E E 5 TO 10 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.4 TO 0.9 M
17023
WINDS E S/E 6 TO 11 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.5 TO 1.0 M
17024
WINDS E S/E 6 TO 11 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.5 TO 1.0 M
17030
WINDS S/W W 9 TO 14 MS
AFTER 181200UTC N N/E 6 TO 11 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK RAIN FOG
SEAS 1.4 TO 2.4 M
17040
WINDS S/W S 11 TO 16 MS
AFTER 180600UTC W N/W 10 TO 15 MS
AFTER 181200UTC GUSTS 17 TO 20 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.8 TO 2.8 M AFTER 180600UTC 1.2 TO 2.2 M
AFTER 181200UTC 1.5 TO 2.5 M
17050
WINDS S/W W 8 TO 13 MS
AFTER 181200UTC N/W N 8 TO 13 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK PRECIPITATION FOG
SEAS 1.2 TO 2.2 M AFTER 181200UTC 0.9 TO 1.6 M
17061
WINDS S S/E 6 TO 11 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.6 TO 1.2 M
17062
WINDS S S/W 6 TO 11 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.6 TO 1.2 M
17063
WINDS S/E E 6 TO 11 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.6 TO 1.2 M
17064
WINDS S S/E 6 TO 11 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.5 TO 1.0 M
17071
WINDS S/E S 5 TO 10 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.3 TO 0.8 M
17072
WINDS S/E S 5 TO 10 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.3 TO 0.8 M
17073
WINDS E S/E 5 TO 10 MS
TEMP PLUS 12 TO PLUS 17 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.3 TO 0.8 M
17090
WINDS S/E S 6 TO 11 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY FOG
SEAS 0.5 TO 1.2 M
17100
WINDS S S/W 7 TO 12 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG
17110
WINDS S/W W 9 TO 14 MS
AFTER 180300UTC GUSTS 17 TO 20 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 3 TO 8 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG
17120
WINDS S/W W 9 TO 14 MS
AFTER 180300UTC GUSTS 17 TO 20 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 0.8 TO 1.4 M AFTER 180300UTC 1.0 TO 1.7 M
17130
WINDS S S/W 2 TO 7 MS
AFTER 180300UTC S/W 6 TO 11 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.4 TO 0.9 KM LOCALLY RAIN FOG
SEAS 0.1 TO 0.7 M AFTER 180300UTC 0.4 TO 0.8 M
17140
WINDS N/W 6 TO 11 MS
AFTER 180300UTC S/W 7 TO 12 MS
AFTER 181500UTC S/W 11 TO 16 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 8 TO 10 KM
SEAS 1.3 TO 2.4 M AFTER 180300UTC 1.1 TO 2.1 M
AFTER 181500UTC 1.5 TO 2.8 M
17151
WINDS N 9 TO 14 MS
AFTER 180000UTC N/W 5 TO 10 MS
AFTER 181500UTC S/W 11 TO 16 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 8 TO 10 KM
SEAS 1.8 TO 3.4 M AFTER 180000UTC 1.3 TO 2.5 M
AFTER 181500UTC 2.0 TO 3.7 M
17152
WINDS N N/E 8 TO 13 MS
AFTER 180300UTC N/W 5 TO 10 MS
AFTER 181500UTC S/W 10 TO 15 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.1 M AFTER 180300UTC 1.3 TO 2.4 M
AFTER 181500UTC 1.5 TO 2.8 M
17153
WINDS N N/E 10 TO 15 MS
AFTER 181200UTC N/W 7 TO 12 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.6 TO 3.0 M AFTER 181200UTC 1.2 TO 2.2 M
17154
WINDS N N/E 10 TO 15 MS
AFTER 181200UTC N/W 8 TO 13 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 8 TO 10 KM
SEAS 1.8 TO 3.4 M AFTER 181200UTC 1.7 TO 3.1 M
17230
WINDS S/W 11 TO 16 MS
AFTER 180600UTC W N/W 10 TO 15 MS
AFTER 181200UTC GUSTS 17 TO 20 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM
LOCALLY PRECIPITATION
17241
WINDS W S/W 5 TO 10 MS GUSTS 13 MS
AFTER 181500UTC OF SOUTH 81N 7 TO 12 MS GUSTS 15 MS
TEMP MINUS 2 TO PLUS 1 DEGREES
VIS 3 TO 8 KM LOCALLY PRECIPITATION
17243
WINDS N/W 8 TO 13 MS
AFTER 180000UTC W S/W 11 TO 16 MS
AFTER 181200UTC S/W 9 TO 14 MS GUSTS 19 TO 24 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.2 M AFTER 180000UTC 2.0 TO 3.7 M
AFTER 181200UTC 2.1 TO 3.9 M
NNNN