Point Forecast Matrices
Issued by NWS Tiyan, Guam

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148
FOMY50 PGUM 010710
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
504 PM CHST SAT NOV 1 2025

GUZ001-011800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
504 PM CHST SAT NOV 1 2025

DATE          SAT 11/01/25      SUN 11/02/25            MON 11/03/25         TUE
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      77          88          77          86          77
TEMP                82 80 78 77 78 83 87 87 85 82 79 77 78 83 86 86 84 81 79 77
DEWPT               79 79 79 79 79 79 78 78 78 79 78 78 78 78 78 78 78 78 78 78
RH                  91 97103107103 88 75 75 80 91 97103100 85 77 77 82 91 97103
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            10  9  9 10 12 16 14 12 13 13 11 11 16 19 19 19 19 17 14 13
CLOUDS              B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          30          50          50          40
QPF 12HR                   0.13        0.14        0.27        0.49        0.47
RAIN SHWRS           C  C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                                        S  S  S  S
HEAT INDEX          93 88          94101 99 96 91          92 98 97 94 90
MAX HEAT               96    85    94   101    98    89    92    98    97    88


DATE           11/04/25  WED 11/05/25  THU 11/06/25  FRI 11/07/25  SAT 11/08/25
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          86      77    86      77    85      77    85      77    85
TEMP          83 86 81   77 82 86 81   77 82 85 81   77 82 84 81   77 81 84
DEWPT         77 78 78   78 78 78 78   78 78 78 79   79 79 79 79   79 79 79
PWIND DIR         E      NE    NE       E     S       S     S       S     S
WIND CHAR        BZ      GN    GN      LT    GN      GN    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B1   B2 B1 B1 B2   B2 B2 OV OV   OV B2 B1 B1   B1 B1 B2
POP 12HR         40      40    40      50    50      50    50      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS                        S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ001-011800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
504 PM CHST SAT NOV 1 2025

DATE          SAT 11/01/25      SUN 11/02/25            MON 11/03/25         TUE
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      77          85          77          85          77
TEMP                81 80 78 78 78 82 85 85 83 81 79 78 78 82 85 84 83 81 79 78
DEWPT               79 79 79 79 79 79 79 78 79 79 79 78 78 78 78 78 78 78 78 78
RH                  94 97103103103 91 82 80 88 94100100100 88 80 82 85 91 97100
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            12 11  9 10 13 17 16 14 16 16 13 12 17 20 20 20 20 17 14 13
CLOUDS              B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          20          40          40          40
QPF 12HR                   0.19        0.11        0.64        0.38        0.41
RAIN SHWRS           S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                                        S  S  S  S
HEAT INDEX          91 86          92 97 96 93 90          91 96 96 93 89
MAX HEAT               93    84    92    97    95    88    91    96    95    88


DATE           11/04/25  WED 11/05/25  THU 11/06/25  FRI 11/07/25  SAT 11/08/25
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          85      77    85      77    84      77    84      77    83
TEMP          82 84 81   78 82 84 81   78 81 83 80   78 81 83 80   78 81 83
DEWPT         78 78 78   78 78 78 78   78 79 79 79   79 79 79 79   79 79 79
PWIND DIR         E      NE     E       E    SE       S     S       S     S
WIND CHAR        BZ      GN    GN      GN    GN      GN    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B2   B2 B2 OV OV   OV B2 B1 B1   B1 B2 B2
POP 12HR         40      40    40      50    50      50    50      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS                        S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ002-011800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
504 PM CHST SAT NOV 1 2025

DATE          SAT 11/01/25      SUN 11/02/25            MON 11/03/25         TUE
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      76          88          76          88          76
TEMP                82 80 78 76 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77
DEWPT               79 79 79 78 78 78 78 78 79 79 79 78 78 78 78 78 78 78 78 78
RH                  91 97103107103 85 72 75 82 91103103103 85 72 75 80 88100103
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            12 10  9  9 13 18 18 17 17 17 13 12 17 20 20 20 20 17 14 13
CLOUDS              B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          40          40          30
QPF 12HR                   0.11        0.20        0.36        0.29        0.23
RAIN SHWRS           S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                                        S  S  S  S
HEAT INDEX          93 85          94102101 97 91          93101100 96 91
MAX HEAT               96          94   102   100    89    93   101    99    89


DATE           11/04/25  WED 11/05/25  THU 11/06/25  FRI 11/07/25  SAT 11/08/25
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          87      76    88      76    86      76    85      76    85
TEMP          82 86 81   77 83 87 81   77 82 85 81   77 81 84 80   77 81 84
DEWPT         78 78 78   78 78 78 78   78 79 79 79   79 79 79 79   79 79 79
PWIND DIR         E       E     E       E    SE      SE     S       S     S
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 B2
POP 12HR         30      40    40      50    50      50    50      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS                S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ003-011800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
504 PM CHST SAT NOV 1 2025

DATE          SAT 11/01/25      SUN 11/02/25            MON 11/03/25         TUE
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      76          88          76          88          76
TEMP                83 80 78 76 77 83 88 87 85 82 79 77 77 83 88 87 85 82 79 77
DEWPT               79 79 79 78 78 78 78 78 79 79 79 78 78 78 78 78 78 78 78 78
RH                  88 97103107103 85 72 75 82 91100103103 85 72 75 80 88 97103
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            12 10  9  9 13 18 18 17 17 16 13 12 17 20 20 20 20 17 14 13
CLOUDS              B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          40          40          30
QPF 12HR                   0.15        0.13        0.40        0.27        0.21
RAIN SHWRS           S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                                        S  S  S  S
HEAT INDEX          93 86          94102101 97 91          93101100 96 91
MAX HEAT               97          94   102   100    89    93   101    99    88


DATE           11/04/25  WED 11/05/25  THU 11/06/25  FRI 11/07/25  SAT 11/08/25
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          87      76    88      76    86      76    85      76    85
TEMP          82 86 81   77 83 87 81   77 82 85 81   77 81 84 80   77 81 84
DEWPT         78 78 78   78 78 78 78   78 79 79 79   79 79 79 79   79 79 79
PWIND DIR         E       E     E       E    SE      SE     S       S     S
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 B2
POP 12HR         30      40    40      50    50      50    50      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS                S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$