Point Forecast Matrices
Issued by NWS Tiyan, Guam

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445
FOMY50 PGUM 140530
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
328 PM CHST FRI NOV 14 2025

GUZ001-141800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
328 PM CHST FRI NOV 14 2025

DATE          FRI 11/14/25      SAT 11/15/25            SUN 11/16/25         MON
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                      78          88          78          88          78
TEMP             86 83 81 79 78 79 84 87 87 85 82 80 78 79 84 88 87 85 83 80 79
DEWPT            77 77 78 77 77 77 77 78 77 78 78 78 78 78 78 78 78 78 79 78 78
RH               75 82 91 94 97 94 80 75 72 80 88 94100 97 82 72 75 80 88 94 97
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         10 10  9  8  9 10 13 13 13 12 10 12 11 14 17 16 16 16 13 12 11
CLOUDS           B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.04        0.03        0.03        0.07        0.06
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       97 92 89 84       94100 99 96 92 86       95101100 97 93 88
MAX HEAT         98    96    88    94   100    98    90    95   101    99    91


DATE           11/17/25  TUE 11/18/25  WED 11/19/25  THU 11/20/25  FRI 11/21/25
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          88      78    88      78    88      78    88      78    88
TEMP          84 87 83   79 84 87 83   79 84 87 83   79 84 87 83   79 84 88
DEWPT         78 78 79   78 78 78 79   78 78 78 79   78 78 78 79   78 78 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ001-141800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
328 PM CHST FRI NOV 14 2025

DATE          FRI 11/14/25      SAT 11/15/25            SUN 11/16/25         MON
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          86          76          86          76
TEMP             84 81 79 78 77 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77
DEWPT            77 77 77 77 77 77 77 77 78 78 78 78 78 78 78 78 78 78 79 78 78
RH               80 88 94 97100100 85 75 80 85 91100103103 88 77 80 85 94100103
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         11 12 12 11 10 12 13 14 14 14 13 12 11 14 17 16 16 17 14 12 11
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.02        0.07        0.04        0.08        0.08
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       94 89 84          90 97 96 93 89          91 98 97 94 89
MAX HEAT         95    92          90    97    96    85    91    98    96    86


DATE           11/17/25  TUE 11/18/25  WED 11/19/25  THU 11/20/25  FRI 11/21/25
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      76    86      76    86      76    86      76    87
TEMP          82 85 81   77 82 85 81   77 82 85 81   77 82 85 81   77 83 87
DEWPT         79 79 78   79 78 78 79   78 78 78 78   78 78 78 79   78 78 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ002-141800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
328 PM CHST FRI NOV 14 2025

DATE          FRI 11/14/25      SAT 11/15/25            SUN 11/16/25         MON
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                      78          88          78          87          78
TEMP             85 83 81 79 78 79 84 87 87 85 82 80 79 79 84 87 87 85 82 80 79
DEWPT            77 77 77 76 76 76 77 77 77 78 78 78 78 78 78 78 78 79 78 78 78
RH               77 82 88 91 94 91 80 72 72 80 88 94 97 97 82 75 75 82 88 94 97
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         11 12 11 10 11 11 14 14 16 16 13 12 11 14 17 17 17 17 14 12 11
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.01        0.05        0.08        0.05        0.07
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       96 91 88 84       93 99 99 96 92 86       94100 99 97 92 86
MAX HEAT         97    94    86    93    99    98    90    94   100    99    90


DATE           11/17/25  TUE 11/18/25  WED 11/19/25  THU 11/20/25  FRI 11/21/25
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          88      78    87      78    87      78    88      78    89
TEMP          84 87 83   79 83 86 82   79 84 87 82   79 84 87 83   79 85 88
DEWPT         78 78 79   78 78 78 79   78 78 78 78   78 78 78 78   78 77 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ003-141800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
328 PM CHST FRI NOV 14 2025

DATE          FRI 11/14/25      SAT 11/15/25            SUN 11/16/25         MON
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                      78          88          78          88          78
TEMP             86 83 81 79 78 79 84 88 87 85 82 80 78 79 84 88 87 85 83 80 79
DEWPT            77 77 77 76 76 76 77 77 77 78 78 78 78 78 78 78 78 79 78 78 78
RH               75 82 88 91 94 91 80 70 72 80 88 94100 97 82 72 75 82 85 94 97
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         11 12 10 10 10 11 14 14 16 16 13 12 11 14 17 17 17 17 14 12 11
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.01        0.04        0.07        0.05        0.06
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       97 92 88 84    83 93 99 99 96 92 86       95101100 98 92 88
MAX HEAT         98    95    87    93   100    99    90    95   101   100    91


DATE           11/17/25  TUE 11/18/25  WED 11/19/25  THU 11/20/25  FRI 11/21/25
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          88      78    88      78    88      78    88      78    89
TEMP          84 87 82   78 84 87 83   79 84 87 83   79 84 87 83   79 85 88
DEWPT         79 78 79   78 78 78 78   78 78 78 78   78 78 78 78   78 77 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$