Point Forecast Matrices
Issued by NWS Tiyan, Guam

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073
FOMY50 PGUM 241840
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
437 AM CHST TUE NOV 25 2025

GUZ001-250600-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
437 AM CHST TUE NOV 25 2025

DATE                TUE 11/25/25            WED 11/26/25            THU 11/27/25
CHST3HRLY     01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
UTC 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

MAX/MIN                      88          77          88          77          88
TEMP                78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87
DEWPT               77 77 77 77 77 78 78 78 78 78 78 79 79 79 79 78 78 79 79 79
RH                  97 80 70 72 77 88 97100100 82 72 77 82 91100100100 85 75 77
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 12 12 11 11 10  9  8  9 14 14 12 11  9  8  8  9 13 13 14
CLOUDS              SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     10          20          30          30          30
QPF 12HR                   0.01        0.04        0.18        0.19        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 99 98 95 91 84       94102101 98 93 85       95102101
MAX HEAT               93    99    97    89    94   102   100    91    95   102


DATE               FRI 11/28/25  SAT 11/29/25  SUN 11/30/25  MON 12/01/25
CHST6HRLY     22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MIN/MAX            76    88      79    88      79    86      79    86
TEMP          82   77 83 87 83   79 84 87 83   80 83 85 82   79 83 86
DEWPT         79   77 79 78 79   79 78 79 79   78 78 78 79   78 77 78
PWIND DIR           E     E       E     E       E     E       E     E
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B1 SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           30    20      20    20      30    30      30    30
RAIN SHWRS     C    S  S  S  S    S  S  S  C    C  C  C  C    C  C  S
TSTMS          S    S  S                   S    S  S  S  S    S  S  S

$$
MPZ001-250600-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
437 AM CHST TUE NOV 25 2025

DATE                TUE 11/25/25            WED 11/26/25            THU 11/27/25
CHST3HRLY     01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
UTC 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

MAX/MIN                      87          77          87          77          87
TEMP                78 83 87 87 85 82 79 78 78 83 87 87 85 82 79 78 78 83 87 86
DEWPT               77 77 77 77 77 78 78 78 78 79 79 79 79 79 79 78 78 79 79 79
RH                  97 82 72 72 77 88 97100100 88 77 77 82 91100100100 88 77 80
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 13 13 13 14 14 13 11 14 17 17 14 16 13 12 11 12 14 14 16
CLOUDS              SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     10          20          20          30          30
QPF 12HR                   0.01        0.04        0.08        0.18        0.18
RAIN SHWRS           S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S
HEAT INDEX             92 99 97 95 91 85       94101100 97 92 85       94100100
MAX HEAT               92    99    97    89    94   101   100    91    94   100


DATE               FRI 11/28/25  SAT 11/29/25  SUN 11/30/25  MON 12/01/25
CHST6HRLY     22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MIN/MAX            78    87      79    86      79    86      79    86
TEMP          82   78 83 87 83   79 83 85 82   79 83 85 82   79 83 85
DEWPT         79   78 78 79 79   78 79 79 79   78 78 78 78   78 78 78
PWIND DIR           E     E       E     E       E     E       E     E
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B1 SC SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    20      20    20      30    30      30    30
RAIN SHWRS     S    S  S  S  S    S  S  S  C    C  C  C  C    C  C  S
TSTMS          S    S  S                   S    S  S  S  S    S  S  S

$$
MPZ002-250600-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
437 AM CHST TUE NOV 25 2025

DATE                TUE 11/25/25            WED 11/26/25            THU 11/27/25
CHST3HRLY     01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
UTC 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

MAX/MIN                      88          76          88          76          88
TEMP                77 83 88 87 85 82 79 77 77 83 88 87 85 82 79 77 77 83 88 87
DEWPT               77 77 76 76 77 78 78 77 77 79 79 79 79 79 79 77 77 79 79 79
RH                 100 82 68 70 77 88 97100100 88 75 77 82 91100100100 88 75 77
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            13 14 13 13 13 13 13 11 14 16 16 14 14 13 11 10 12 16 14 16
CLOUDS              B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          20          20          30
QPF 12HR                   0.16        0.07        0.05        0.15        0.23
RAIN SHWRS           S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C
HEAT INDEX             92 99 98 95 90          94102101 97 92          94102101
MAX HEAT               92    99    97    88    94   102   100    89    94   102


DATE               FRI 11/28/25  SAT 11/29/25  SUN 11/30/25  MON 12/01/25
CHST6HRLY     22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MIN/MAX            76    88      77    88      79    88      77    88
TEMP          82   77 83 87 82   77 83 87 83   80 84 87 82   78 84 87
DEWPT         79   77 78 78 79   77 79 78 79   78 78 78 78   78 78 78
PWIND DIR           E     E       E     E       E     E       E     E
WIND CHAR          BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           30    20      20    20      30    30      30    30
RAIN SHWRS     C    S  S  S  S    S  S  S  C    C  C  S  C    C  C  S
TSTMS          S    S  S                           S  S  S    S  S  S

$$
MPZ003-250600-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
437 AM CHST TUE NOV 25 2025

DATE                TUE 11/25/25            WED 11/26/25            THU 11/27/25
CHST3HRLY     01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
UTC 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

MAX/MIN                      88          76          88          76          88
TEMP                77 83 88 87 85 82 79 77 77 83 88 87 85 82 79 77 77 83 88 87
DEWPT               77 77 76 76 77 78 78 77 77 79 79 79 79 79 79 77 77 79 79 79
RH                 100 82 68 70 77 88 97100100 88 75 77 82 91100100100 88 75 77
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            13 14 14 13 13 13 13 11 13 17 17 14 14 12 11 10 12 16 14 16
CLOUDS              B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          20          20          30
QPF 12HR                   0.16        0.09        0.05        0.14        0.23
RAIN SHWRS           S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C
HEAT INDEX             92 99 98 95 90          94102101 97 92          94102101
MAX HEAT               92    99    97    88    94   102   100    89    94   102


DATE               FRI 11/28/25  SAT 11/29/25  SUN 11/30/25  MON 12/01/25
CHST6HRLY     22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MIN/MAX            76    88      76    88      79    88      77    88
TEMP          82   77 83 87 82   77 83 87 83   79 84 87 82   78 84 87
DEWPT         79   77 78 79 79   77 79 79 79   78 78 78 78   78 78 78
PWIND DIR           E     E       E     E       E     E       E     E
WIND CHAR          BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           30    20      20    20      30    30      20    20
RAIN SHWRS     C    S  S  S  S    S  S  S  C    C  C  S  S    S  S  S
TSTMS          S    S  S                           S  S  S    S  S  S

$$