Point Forecast Matrices
Issued by NWS Tiyan, Guam

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FOMY50 PGUM 120510
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
301 PM CHST WED NOV 12 2025

GUZ001-121800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
301 PM CHST WED NOV 12 2025

DATE          WED 11/12/25      THU 11/13/25            FRI 11/14/25         SAT
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          87          78          88          78
TEMP             87 85 82 80 79 79 84 87 87 85 82 80 78 79 84 87 87 85 82 80 79
DEWPT            77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78
RH               72 77 85 91 94 94 80 72 72 77 85 91 97 94 80 72 72 77 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 11 11  9  8  9 12 11 10  9  6  5  4  9 11 10 11 12 11 10 10
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        0.06        0.04        0.01        0.02
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       99 95 91 86       93 98 98 95 90 85       93 99 98 95 92 87
MAX HEAT         99    98    89    93    98    97    89    93    99    97    90


DATE           11/15/25  SUN 11/16/25  MON 11/17/25  TUE 11/18/25  WED 11/19/25
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    89      78    89
TEMP          84 87 82   79 84 87 82   79 84 87 82   79 85 88 83   79 85 88
DEWPT         78 78 79   78 78 78 79   79 79 79 79   78 78 78 78   78 78 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      BZ    BZ      GN    GN      GN    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

$$
MPZ001-121800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
301 PM CHST WED NOV 12 2025

DATE          WED 11/12/25      THU 11/13/25            FRI 11/14/25         SAT
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             85 83 81 78 77 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77
DEWPT            77 77 77 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 78 78 77
RH               77 82 88 94 97 97 85 75 77 82 88 97100100 85 75 77 82 91100100
WIND DIR          E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
WIND SPD         12 13 12  9  8 10 13 12 11 10  9  6  5  9 11 10 11 12 11 10 10
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        0.03        0.04        0.02        0.02
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 92 87          90 96 95 92 88          90 96 95 93 88
MAX HEAT         97    95    85    90    96    95    85    90    96    95    85


DATE           11/15/25  SUN 11/16/25  MON 11/17/25  TUE 11/18/25  WED 11/19/25
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    87      76    87
TEMP          82 85 81   77 82 85 81   77 82 85 81   77 83 87 81   77 83 87
DEWPT         78 78 79   78 78 79 79   79 78 79 79   77 78 78 78   78 78 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    BZ      GN    GN      GN    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

$$
MPZ002-121800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
301 PM CHST WED NOV 12 2025

DATE          WED 11/12/25      THU 11/13/25            FRI 11/14/25         SAT
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          87          78          87          78
TEMP             87 85 82 80 79 79 84 87 87 85 82 80 79 79 83 87 86 84 82 80 79
DEWPT            77 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 78 77 77
RH               72 75 82 88 91 91 77 70 70 77 85 91 94 94 82 72 75 80 88 91 94
WIND DIR          E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E
WIND SPD         11 12 11 10  9 10 12 12 12 11  9  6  5  9 11 10 10 12 11 10  9
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                   0.03        0.02        0.04        0.03        0.05
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       98 95 90 86       92 98 97 95 91 86       92 98 97 95 91 85
MAX HEAT         98    97    89    92    98    97    89    92    98    96    89


DATE           11/15/25  SUN 11/16/25  MON 11/17/25  TUE 11/18/25  WED 11/19/25
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    89      78    89
TEMP          84 87 82   79 84 87 82   79 84 87 82   79 85 88 83   79 85 88
DEWPT         77 78 79   78 78 78 79   79 78 78 79   78 78 78 78   77 77 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    BZ      GN    GN      GN    GN
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      10    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

$$
MPZ003-121800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
301 PM CHST WED NOV 12 2025

DATE          WED 11/12/25      THU 11/13/25            FRI 11/14/25         SAT
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             87 85 83 80 79 79 84 88 87 85 82 80 78 79 84 88 87 85 83 80 79
DEWPT            77 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 77
RH               72 75 80 88 91 91 77 68 72 77 85 91 97 94 80 70 72 77 82 91 94
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         12 12 10 10  8 10 12 12 12 11  9  8  6  9 11 10 10 12 11  9  9
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          10
QPF 12HR                   0.03        0.01        0.03        0.02        0.04
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       98 95 91 86       93 99 98 96 91 85       93100 99 96 91 87
MAX HEAT         99    98    89    93    99    98    89    93   100    98    90


DATE           11/15/25  SUN 11/16/25  MON 11/17/25  TUE 11/18/25  WED 11/19/25
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    89      78    89
TEMP          84 87 83   79 84 87 83   79 84 87 83   79 85 88 83   79 85 88
DEWPT         77 78 79   78 78 78 79   78 78 78 79   78 78 78 78   77 77 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    BZ      GN    GN      GN    GN
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         10      20    20      10    20      20    20      10    10
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$