Point Forecast Matrices
Issued by NWS Tiyan, Guam

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FOMY50 PGUM 251750
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
346 AM CHST WED NOV 26 2025

GUZ001-260600-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
346 AM CHST WED NOV 26 2025

DATE                WED 11/26/25            THU 11/27/25            FRI 11/28/25
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          76          88
TEMP             78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 77 78 83 88 87
DEWPT            78 78 78 78 78 79 79 79 79 79 79 79 79 79 79 78 78 78 78 78 78
RH              100100 82 72 75 82 91100103103 85 75 77 82 91 97103100 85 72 75
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 11 14 13 12 11 10  9  9 11 14 14 14 13 12 10  9 13 14 14 13
CLOUDS           SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR                     30          30          30          30          30
QPF 12HR                   0.38        0.37        0.23        0.08        0.09
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S
HEAT INDEX             94102101 97 92 85       95102101 97 91          93101100
MAX HEAT               94   102   100    90    95   102   100    89    93   101


DATE               SAT 11/29/25  SUN 11/30/25  MON 12/01/25  TUE 12/02/25
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            79    88      79    86      79    86      79    86
TEMP          83   79 84 87 83   80 83 85 82   79 83 86 82   79 83 85
DEWPT         79   79 79 79 79   79 79 78 78   78 77 77 77   76 76 76
PWIND DIR           E     E       E     E       E    SE      SE    SE
WIND CHAR          GN    GN      GN    GN      LT    GN      GN    GN
AVG CLOUDS    SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    20      30    30      40    40      40    20
RAIN SHWRS     S    S  S  S  C    C  C  C  C    C  C  C  C    S  S  S
TSTMS                  S  S  S    S  S  S  S    S  S  S  S

$$
MPZ001-260600-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
346 AM CHST WED NOV 26 2025

DATE                WED 11/26/25            THU 11/27/25            FRI 11/28/25
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          78          87
TEMP             78 78 83 87 87 85 82 79 78 78 83 87 86 84 82 80 78 79 83 87 87
DEWPT            78 78 79 79 79 79 79 79 79 79 79 79 79 79 78 78 78 78 78 78 78
RH              100100 88 77 77 82 91100103103 88 77 80 85 88 94100 97 85 75 75
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 13 17 16 14 14 13 12 11 13 17 16 16 17 14 12 11 13 16 14 14
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR                     30          30          30          30          20
QPF 12HR                   0.27        0.30        0.18        0.08        0.09
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
HEAT INDEX             94101100 97 92 85       94100 99 96 91 85       94100 99
MAX HEAT               94   101    99    91    94   100    99    90    94   100


DATE               SAT 11/29/25  SUN 11/30/25  MON 12/01/25  TUE 12/02/25
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            79    86      79    86      79    86      79    85
TEMP          83   79 83 85 82   79 83 85 82   79 83 85 82   79 82 84
DEWPT         79   79 79 79 79   79 79 79 78   78 78 78 77   77 76 76
PWIND DIR           E     E       E     E       E    SE      SE    SE
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    20      30    40      40    30      30    20
RAIN SHWRS     S    S  S  S  C    C  C  C  C    C  C  C  C    S  S  S
TSTMS                        S    S  S  S  S    S  S  S  S

$$
MPZ002-260600-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
346 AM CHST WED NOV 26 2025

DATE                WED 11/26/25            THU 11/27/25            FRI 11/28/25
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 77 83 88 87 85 82 79 77 77 83 88 87 85 82 78 77 77 83 88 87
DEWPT            78 78 78 78 78 79 79 79 79 79 79 78 78 78 78 78 77 77 77 77 78
RH              103103 85 72 75 82 91100107107 88 72 75 80 88100100100 82 70 75
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 13 17 17 14 14 13 12 11 12 16 16 16 16 14 11 11 13 16 14 14
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     30          30          30          30          20
QPF 12HR                   0.18        0.25        0.14        0.04        0.07
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
HEAT INDEX             94102101 97 91          94102100 96 90          92100100
MAX HEAT               94   102   100    89    94   102    99    88    92   100


DATE               SAT 11/29/25  SUN 11/30/25  MON 12/01/25  TUE 12/02/25
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            77    88      79    88      77    88      77    87
TEMP          82   77 83 87 83   80 84 87 82   78 84 87 82   78 83 86
DEWPT         79   79 79 79 79   79 78 78 78   77 77 77 76   76 76 76
PWIND DIR           E     E       E     E       E    SE      SE    SE
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC
POP 12HR           10    30      30    40      40    30      30    20
RAIN SHWRS     S    S  C  C  C    C  C  C  C    C  C  C  C    S  S  S
TSTMS                        S    S  S  S  S    S  S  S  S

$$
MPZ003-260600-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
346 AM CHST WED NOV 26 2025

DATE                WED 11/26/25            THU 11/27/25            FRI 11/28/25
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 77 83 88 87 85 82 79 77 77 83 88 87 85 82 78 77 77 83 88 87
DEWPT            78 78 79 79 79 79 79 79 79 79 79 79 78 78 78 78 77 77 77 77 78
RH              103103 88 75 77 82 91100107107 88 75 75 80 88100100100 82 70 75
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 13 17 17 14 14 13 12 11 12 16 16 16 16 14 11 11 13 16 14 14
CLOUDS           SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     30          30          30          30          10
QPF 12HR                   0.17        0.24        0.14        0.04        0.06
RAIN SHWRS        S  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
HEAT INDEX             94102101 97 91          94102101 96 90          92100 99
MAX HEAT               94   102   100    89    94   102   100    88    92   100


DATE               SAT 11/29/25  SUN 11/30/25  MON 12/01/25  TUE 12/02/25
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      77    88      77    87
TEMP          82   77 83 87 83   79 84 87 82   78 84 87 82   78 83 86
DEWPT         79   79 79 79 79   79 79 78 78   78 77 77 77   76 76 76
PWIND DIR           E     E       E     E       E    SE      SE    SE
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC B1 B1 B1   B1 B1 B2 B1   B1 B1 B1 B1   B1 SC SC
POP 12HR           10    20      40    40      40    30      30    20
RAIN SHWRS     S    S  S  S  C    C  C  C  C    C  C  C  C    S  S  S
TSTMS                        S    S  S  S  S    S  S

$$