Point Forecast Matrices
Issued by NWS Tiyan, Guam

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379
FOMY50 PGUM 030500
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
255 PM CHST MON NOV 3 2025

GUZ001-031800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
255 PM CHST MON NOV 3 2025

DATE          MON 11/03/25      TUE 11/04/25            WED 11/05/25         THU
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          87          77          86          76
TEMP             86 84 82 79 78 78 83 87 86 84 81 79 77 78 82 86 85 83 81 78 77
DEWPT            78 78 78 78 78 78 78 78 78 78 79 78 77 78 78 78 78 78 79 78 77
RH               77 82 88 97100100 85 75 77 82 94 97100100 88 77 80 85 94100100
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE
WIND SPD         13 10 11 13  9 14 17 17 18 16 13 14 10 16 17 16 17 16 13 12  8
CLOUDS           B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV
POP 12HR                     30          30          50          60          70
QPF 12HR                   0.37        0.20        0.43        0.41        1.12
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L
TSTMS                                        S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       98 95 91 84       94100 99 96 91          92 98 97 94 89
MAX HEAT         99    97    89    94   100    98    89    92    98    96    86


DATE           11/06/25  FRI 11/07/25  SAT 11/08/25  SUN 11/09/25  MON 11/10/25
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    87      77    86      76    87      76    87
TEMP          82 85 81   77 83 86 82   77 83 85 81   77 82 86 81   77 82 86
DEWPT         79 79 79   77 79 79 79   77 79 79 79   77 78 78 78   77 78 78
PWIND DIR        SE      SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    GN      GN    GN
AVG CLOUDS    OV OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         70      70    50      50    50      40    40      40    40
RAIN SHWRS     L  L  L    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  S  S

$$
MPZ001-031800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
255 PM CHST MON NOV 3 2025

DATE          MON 11/03/25      TUE 11/04/25            WED 11/05/25         THU
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            78 78 79 78 77 77 78 78 78 79 79 78 77 77 78 78 78 79 79 78 77
RH               80 85 94100100100 88 77 80 88 94100100100 88 77 80 88 94100100
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE
WIND SPD         14 17 14 18 11 18 19 20 19 20 17 18 11 18 17 17 18 19 18 18 12
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV
POP 12HR                     30          30          50          60          70
QPF 12HR                   0.03        0.02        0.19        0.18        0.59
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L
TSTMS                                                    S  S  S  S  S  S  S  S
HEAT INDEX       97 94 89          91 98 97 94 89          91 98 97 94 89
MAX HEAT         98    96    86    91    98    96    86    91    98    96    86


DATE           11/06/25  FRI 11/07/25  SAT 11/08/25  SUN 11/09/25  MON 11/10/25
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    86
TEMP          82 85 81   77 82 85 81   77 82 85 81   77 82 85 81   77 82 85
DEWPT         79 79 79   77 79 79 79   77 79 79 79   77 79 78 78   77 78 78
PWIND DIR        SE      SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         70      70    50      50    50      40    40      40    40
RAIN SHWRS     L  L  L    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  S  S

$$
MPZ002-031800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
255 PM CHST MON NOV 3 2025

DATE          MON 11/03/25      TUE 11/04/25            WED 11/05/25         THU
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          86          78
TEMP             86 84 82 80 79 79 84 87 87 85 82 80 79 79 83 86 85 84 82 80 78
DEWPT            78 78 78 78 78 78 78 78 78 78 79 78 78 78 78 78 78 78 79 79 78
RH               77 82 88 94 97 97 82 75 75 80 91 94 97 97 85 77 80 82 91 97100
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         16 16 13 17 11 16 17 17 18 17 13 16 10 13 14 13 13 16 16 16 12
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV
POP 12HR                     30          30          50          60          70
QPF 12HR                   0.02           0        0.11        0.14        0.32
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L
TSTMS                                                                S  S  S  S
HEAT INDEX       98 96 92 86       94100 99 96 92 86       93 98 97 95 91 86
MAX HEAT         99    98    90    94   100    99    91    93    98    97    90


DATE           11/06/25  FRI 11/07/25  SAT 11/08/25  SUN 11/09/25  MON 11/10/25
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      78    87      78    87      78    86      78    86
TEMP          83 85 82   78 83 86 82   79 83 86 82   79 83 85 82   78 83 85
DEWPT         79 79 79   78 79 79 80   79 79 79 79   79 78 78 78   78 78 77
PWIND DIR        SE      SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR        BZ      WY    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         70      70    50      50    50      40    40      40    40
RAIN SHWRS     L  L  L    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  S  S

$$
MPZ003-031800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
255 PM CHST MON NOV 3 2025

DATE          MON 11/03/25      TUE 11/04/25            WED 11/05/25         THU
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          77          88          77
TEMP             87 85 83 80 79 79 84 88 87 85 82 80 78 78 83 87 87 85 82 79 77
DEWPT            78 78 78 78 78 78 78 78 78 78 79 78 78 78 78 78 78 78 79 79 77
RH               75 80 85 94 97 97 82 72 75 80 91 94100100 85 75 75 80 91100100
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         16 16 13 17 10 16 16 17 17 14 13 14  9 12 13 12 12 13 13 14 11
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV
POP 12HR                     30          30          50          60          70
QPF 12HR                   0.01        0.08        0.12        0.14        0.28
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L
TSTMS                                                                S  S  S  S
HEAT INDEX      100 97 92 88       95101100 97 92 85       94100100 96 91
MAX HEAT        101    99    91    95   101   100    90    94   100    99    89


DATE           11/06/25  FRI 11/07/25  SAT 11/08/25  SUN 11/09/25  MON 11/10/25
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      77    88      78    88      77    87      77    87
TEMP          83 87 82   77 83 87 82   78 84 87 82   77 83 87 82   77 83 87
DEWPT         79 79 79   77 79 79 80   78 79 79 79   77 79 78 78   77 78 78
PWIND DIR        SE      SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         70      70    50      50    50      40    40      40    40
RAIN SHWRS     L  L  L    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  S  S

$$