SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 25 AUGUST 2026 AT 1800UTC
PART 1
AT 251800UTC
GALE WARNING
01100, 01110
FROM 251800UTC TO 260300UTC
WINDS N N/W 17 MS
FROM 260300UTC TO 261800UTC
WINDS N/W 25 MS
FROM 251800UTC TO 261800UTC
SEAS 2.5 TO 4.5 M
01120
FROM 251500UTC TO 261800UTC
SEAS 2.5 TO 4.5 M
01130
FROM 260600UTC TO 261800UTC
WINDS N/W GUSTS 17 TO 22 MS
01140
FROM 260600UTC TO 261800UTC
WINDS N/W W GUSTS 17 TO 20 MS
01240, 01250
FROM 260300UTC TO 261800UTC
WINDS N/W 17 TO 22 MS
FROM 251800UTC TO 261800UTC
SEAS 2.0 TO 4.0 M
17024
FROM 260000UTC TO 260600UTC
WINDS W N/W GUSTS 17 MS
17030
FROM 260900UTC TO 261800UTC
WINDS E N/E GUSTS 17 TO 20 MS
17050, 17100
FROM 260700UTC TO 261200UTC
WINDS N/E E GUSTS 17 TO 22 MS
FROM 261200UTC TO 261800UTC
WINDS N/E N GUSTS 20 TO 25 MS
17062
FROM 260900UTC TO 261800UTC
WINDS N/E N GUSTS 17 TO 20 MS
17064
FROM 260900UTC TO 261800UTC
WINDS N/W W GUSTS 17 TO 20 MS
17071
FROM 260300UTC TO 261200UTC
WINDS N/W W GUSTS 17 TO 20 MS
17072
FROM 260200UTC TO 260600UTC
WINDS S S/W GUSTS 17 TO 22 MS
FROM 261200UTC TO 261500UTC
WINDS W N/W GUSTS 17 TO 22 MS
17073
FROM 252200UTC TO 260600UTC
WINDS S S/W GUSTS 17 TO 22 MS
FROM 260600UTC TO 261200UTC
WINDS S/W W GUSTS 17 TO 22 MS
17090
FROM 260300UTC TO 261200UTC
WINDS S/W S GUSTS 17 TO 22 MS
FROM 261200UTC TO 261800UTC
WINDS S/W W GUSTS 17 TO 22 MS
17130
FROM 260000UTC TO 261800UTC
WINDS S/W W GUSTS 17 TO 20 MS
17140
FROM 251800UTC TO 260600UTC
WINDS S/W GUSTS 17 TO 20 MS
17151
FROM 251800UTC TO 260600UTC
WINDS S/W GUSTS 17 TO 22 MS
SEAS 2.5 TO 4.6 M
17152
FROM 251800UTC TO 261200UTC
WINDS S GUSTS 17 TO 22 MS
SEAS 2.3 TO 4.2 M
17153
FROM 251800UTC TO 260600UTC
WINDS S S/W GUSTS 19 TO 24 MS
FROM 260600UTC TO 261800UTC
WINDS W GUSTS 17 TO 20 MS
17154
FROM 251800UTC TO 261500UTC
WINDS S/W GUSTS 19 TO 24 MS
PART 2
SYNOPSIS AT 251800UTC
HIGH 1027 HPA 74N 005W MOVING N/E 20 KMH INCREASE
HIGH 1026 HPA 65N 009E MOVING N/E 20 KMH INCREASE
LOW 1004 HPA 75N 043E MOVING E 30 KMH DEEPENING
LOW 1000 HPA 68N 063E MOVING N/E 40 KMH DEEPENING
LOW 999 HPA 80N 088E MOVING E 20 KMH FILLING
LOW 997 HPA 76N 106E MOVING E 20 KMH DEEPENING
HIGH 1018 HPA 68N 129E STATIONARY WEAKENS
ICE AT 251200UTC
A3-YERMAK PLATEAU
ICE W TO 7932N 00844E, 7959N 00953E, 8000N 00949E,
8014N 00847E.
YERMAK PLATEAU-LITKE TROUGH
ICE N TO 8014N 00847E, 8021N 01038E, 8024N 01059E,
8046N 01337E.
LITKE TROUGH-BANKS N SPITSBERGEN
ICE E TO 8046N 01337E, 8034N 01306E, 8008N 01204E,
8003N 01235E.
BANKS N SPITSBERGEN-BANKS N NORDAUSTLANDET
ICE N TO 8003N 01235E, 8031N 01545E, 8058N 01917E,
8116N 02059E, 8118N 02624E, 8124N 03000E.
01020-17010-17290-17040-17230-17120
ICE N TO 8124N 03000E, 8126N 03205E, 8156N 03814E,
8206N 04000E, 8220N 04246E, 8230N 04336E, 8238N 04418E,
8255N 04945E, 8344N 04952E, 8439N 06130E, 8356N 08305E,
8338N 08329E, 8316N 08545E, 8259N 09218E, 8230N 09452E,
8217N 09554E, 8213N 09612E, 8042N 10707E, 8022N 10611E,
7957N 10846E, 7951N 11053E, 7900N 11321E, 7837N 11420E,
7812N 11557E, 7728N 11730E, 7646N 12031E, 7623N 12149E.
17120
ICE SE TO 7623N 12149E, 7640N 11849E, 7621N 11843E.
17120
ICE N TO 7621N 11843E, 7553N 11944E, 7539N 12151E,
7553N 12500E.
17120
ICE N TO 7457N 11243E, 7448N 11339E, 7453N 11506E.
17120
ICE W TO 7453N 11506E, 7511N 11529E, 7559N 11543E,
7622N 11653E, 7641N 11643E, 7707N 11459E, 7719N 11516E.
17120-17110
ICE S TO 7719N 11516E, 7728N 11422E, 7732N 11237E,
7806N 10900E, 7821N 10715E, 7831N 10646E, 7812N 10430E.
17110
ICE NE TO 7812N 10430E, 7757N 10509E.
17110-17040
ICE S TO 7757N 10509E, 7752N 10308E, 7745N 10221E,
7744N 10119E, 7737N 10022E, 7748N 09829E, 7748N 09827E,
7749N 09550E.
17040-17050-17100
ICE E TO 7749N 09550E, 7741N 09541E, 7718N 09516E,
7708N 09505E, 7602N 09220E, 7546N 09231E.
17230
ICE NW TO 7955N 09945E, 7952N 10204E, 7956N 10234E,
8113N 09736E.
17230-17040
ICE S TO 8113N 09736E, 8124N 09554E, 8127N 09527E,
8119N 09204E, 8114N 09050E.
PART 3
FORECAST FROM 251800UTC TO 261800UTC
01010, 01020
WINDS N 11 TO 16 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 6 TO 10 KM LOCALLY RAIN
SEAS 1.5 TO 2.5 M
01100, 01110
WINDS N N/W 17 MS
AFTER 260300UTC N/W 25 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN RAIN 1 TO 2 KM LOCALLY RAIN
SEAS 2.5 TO 4.5 M
01120
WINDS W S/W 9 TO 14 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM LOCALLY RAIN
SEAS 1.5 TO 2.5 M AFTER 261500UTC 2.5 TO 4.5 M
01130
WINDS N/W 11 TO 16 MS
AFTER 260600UTC GUSTS 17 TO 22 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 2.0 TO 3.0 M
01140
WINDS N/W W 11 TO 16 MS
AFTER 260600UTC GUSTS 17 TO 20 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 1.2 TO 2.2 M AFTER 260600UTC 1.5 TO 2.5 M
01240, 01250
WINDS N/W 7 TO 12 MS
AFTER 260300UTC N/W 17 TO 22 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM LOCALLY RAIN
SEAS 2.0 TO 4.0 M
17021
WINDS N/W W 7 TO 12 MS
AFTER 260000UTC 11 TO 16 MS
AFTER 261200UTC W S/W 9 TO 14 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 0.8 TO 1.6 M AFTER 260000UTC 1.5 TO 2.5 M
AFTER 261200UTC 1.0 TO 1.5 M
17022
WINDS N N/W 7 TO 12 MS
AFTER 260300UTC N/W W 9 TO 14 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN FOG
SEAS 0.8 TO 1.6 M AFTER 260300UTC 1.0 TO 2.0 M
17023
WINDS N N/W 7 TO 12 MS
AFTER 260000UTC N/W W 11 TO 16 MS
AFTER 261200UTC W S/W 9 TO 14 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN FOG
SEAS 0.8 TO 1.6 M AFTER 260000UTC 1.5 TO 2.5 M
AFTER 261200UTC 1.0 TO 2.0 M
17024
WINDS S S/W 11 TO 16 MS
AFTER 260000UTC W N/W 9 TO 14 MS GUSTS 17 MS
AFTER 260600UTC 9 TO 14 MS
AFTER 261200UTC N/W N 7 TO 12 MS
TEMP PLUS 12 TO PLUS 17 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.2 TO 2.2 M AFTER 261200UTC 0.8 TO 1.6 M
17030
WINDS E S/E 7 TO 12 MS
AFTER 260000UTC 11 TO 16 MS
AFTER 260900UTC E N/E 11 TO 16 MS GUSTS 17 TO 20 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 0.8 TO 1.6 M AFTER 260000UTC 1.3 TO 2.3 M
AFTER 260900UTC 1.8 TO 2.8 M
17040
WINDS N/W N 9 TO 14 MS
AFTER 260600UTC N/W N 7 TO 12 MS
AFTER 261200UTC N N/E 11 TO 16 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.0 TO 2.0 AFTER 260600UTC 0.8 TO 1.6 M
AFTER 261200UTC 1.3 TO 2.3 M
17050
WINDS N N/E 6 TO 11 MS
AFTER 260000UTC E S/E 9 TO 14 MS
AFTER 260700UTC N/E E GUSTS 17 TO 22 MS
AFTER 261200UTC N/E N 11 TO 16 MS GUSTS 20 TO 25 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 0.6 TO 1.4 M AFTER 260000UTC 1.0 TO 2.0 M
AFTER 260700UTC 1.5 TO 2.2 M
AFTER 261200UTC 2.0 TO 3.0 M
17061
WINDS E S/E 5 TO 10 MS
AFTER 260300UTC W N/W 7 TO 12 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 0.4 TO 0.9 M AFTER 260300UTC 0.8 TO 1.6 M
17062
WINDS N/E E 5 TO 10 MS
AFTER 260000UTC 9 TO 14 MS
AFTER 260900UTC N/E N 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 0.5 TO 1.0 M AFTER 260000UTC 0.9 TO 1.6 M
AFTER 260900UTC 1.2 TO 2.2 M
17063
WINDS N/E E 5 TO 10 MS
AFTER 260000UTC W N/W 9 TO 14 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 0.4 TO 1.0 M AFTER 260000UTC 1.2 TO 2.2 M
17064
WINDS N/E E 5 TO 10 MS
AFTER 260000UTC 9 TO 14 MS
AFTER 260900UTC N/W W 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 0.6 TO 1.2 M AFTER 260000UTC 1.0 TO 2.0 M
AFTER 260900UTC 1.6 TO 2.6 M
17071
WINDS S S/W 11 TO 16 MS
AFTER 260300UTC N/W W 11 TO 16 MS GUSTS 17 TO 20 MS
AFTER 261200UTC 9 TO 14 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.3 TO 1.8 M AFTER 260300UTC 1.0 TO 1.5 M
AFTER 261200UTC 0.8 TO 1.2 M
17072
WINDS S S/E 9 TO 14 MS
AFTER 260200UTC S S/W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC W N/W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261500UTC W S/W 9 TO 14 MS
TEMP PLUS 12 TO PLUS 17 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 1.0 TO 1.5 M AFTER 260200UTC 1.2 TO 1.8 M
AFTER 261200UTC 1.0 TO 1.5 M
AFTER 261500UTC 0.7 TO 1.1 M
17073
WINDS S S/W 9 TO 14 MS
AFTER 252200UTC GUSTS 17 TO 22 MS
AFTER 260600UTC S/W W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC S/W W 7 TO 12 MS
TEMP PLUS 14 TO PLUS 19 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 0.8 TO 1.3 M AFTER 252200UTC 1.0 TO 1.5 M
AFTER 261200UTC 0.5 TO 1.0 M
17090
WINDS S/W S 9 TO 14 MS
AFTER 260300UTC GUSTS 17 TO 22 MS
AFTER 261200UTC S/W W 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP PLUS 14 TO PLUS 19 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.1 TO 1.7 M
17100
WINDS N/E N 5 TO 10 MS
AFTER 260000UTC N/E E 9 TO 14 MS
AFTER 260700UTC GUSTS 17 TO 22 MS
AFTER 261200UTC N/E N 11 TO 16 MS GUSTS 20 TO 25 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
17110
WINDS N/W W 6 TO 11 MS
AFTER 261500UTC N/E N 9 TO 14 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 3 TO 8 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17120
WINDS W N/W 7 TO 12 MS
AFTER 261200UTC W S/W 5 TO 10 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 0.8 TO 1.5 M AFTER 261200UTC 0.4 TO 0.9 M
17130
WINDS S/W W 9 TO 14 MS
TO 260000UTC GUSTS 17 TO 20 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.4 TO 0.9 KM LOCALLY RAIN FOG
SEAS 0.6 TO 1.1 M AFTER 260000UTC 0.8 TO 1.4 M
17140
WINDS S/W 8 TO 13 MS GUSTS 17 TO 20 MS
AFTER 260600UTC N/W 10 TO 15 MS
AFTER 261500UTC S 11 TO 16 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.2 M AFTER 260600UTC 1.6 TO 3.0 M
AFTER 261500UTC 1.4 TO 2.6 M
17151
WINDS S/W 8 TO 13 MS GUSTS 17 TO 22 MS
AFTER 260600UTC W N/W 11 TO 16 MS
AFTER 261200UTC W N/W 9 TO 14 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.5 TO 4.6 M AFTER 260600UTC 2.0 TO 3.8 M
AFTER 261200UTC 1.9 TO 3.5 M
17152
WINDS S 8 TO 13 MS GUSTS 17 TO 22 MS
AFTER 261200UTC W N/W 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.3 TO 4.2 M AFTER 261200UTC 2.0 TO 3.6 M
17153
WINDS S S/W 10 TO 15 MS GUSTS 19 TO 24 MS
AFTER 260600UTC W 7 TO 12 MS GUSTS 17 TO 20 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.7 M AFTER 260600UTC 1.7 TO 3.2 M
17154
WINDS S/W 10 TO 15 MS GUSTS 19 TO 24 MS
AFTER 261500UTC W N/W 10 TO 15 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 2.1 TO 3.9 M AFTER 261500UTC 1.8 TO 3.4 M
17230
WINDS S S/W 5 TO 10 MS
AFTER 260300UTC N/W W 7 TO 12 MS
AFTER 261500UTC N/W N 9 TO 14 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17241
WINDS W N/W 7 TO 12 GUSTS 15 MS
AFTER 260000UTC S/W S 5 TO 10 MS
TEMP MINUS 1 TO MINUS 4 DEGREES
VIS 3 TO 8 KM LOCALLY 2 KM LOCALLY SNOW
17243
WINDS S/W 11 TO 16 MS
AFTER 260000UTC S S/E 8 TO 13 MS
AFTER 261200UTC N/W 7 TO 12 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.5 TO 2.8 M AFTER 260000UTC 1.7 TO 3.2 M
AFTER 261200UTC 1.6 TO 3.0 M
NNNN