Point Forecast Matrices
Issued by NWS Tiyan, Guam

Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary On
Versions: 1 2
180
FOMY50 PGUM 080600
PFMGUM

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
359 PM CHST SUN FEB 8 2026

GUZ001-081800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
359 PM CHST SUN FEB 8 2026

DATE          SUN 02/08/26      MON 02/09/26            TUE 02/10/26         WED
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          88          76          87          77
TEMP             85 83 81 78 77 78 83 87 87 84 81 78 77 77 83 87 86 84 82 79 78
DEWPT            76 76 76 75 75 75 75 75 74 75 75 75 74 75 75 75 76 76 76 76 75
RH               75 80 85 91 94 91 77 68 65 74 82 91 90 94 77 68 72 77 82 91 91
WIND DIR          E SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         11 10  9  8  4  4  8  8  9  9  8  8  8 11 14 16 16 14 13 13 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                     30          20          20          20          20
QPF 12HR                   0.09        0.02        0.03        0.02        0.03
RAIN SHWRS        C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       93 90 86          90 96 95 92 87          90 96 96 93 89 83
MAX HEAT         94    93    84    90    96    95    86    90    96    95    87


DATE           02/11/26  THU 02/12/26  FRI 02/13/26  SAT 02/14/26  SUN 02/15/26
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          87      77    88      76    87      76    88      76    87
TEMP          83 86 81   77 83 87 81   76 82 86 81   77 83 87 82   77 83 86
DEWPT         75 75 76   74 74 75 76   75 75 75 75   74 75 75 76   75 75 75
PWIND DIR         E       E     E      NE    NE       E     E       E    NE
WIND CHAR        BZ      GN    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      10    10      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

$$
MPZ001-081800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
359 PM CHST SUN FEB 8 2026

DATE          SUN 02/08/26      MON 02/09/26            TUE 02/10/26         WED
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                      75          85          75          85          75
TEMP             84 82 80 77 76 76 81 85 84 82 80 77 76 76 81 85 84 82 80 77 76
DEWPT            75 75 75 74 74 74 75 74 74 75 75 75 75 75 75 75 75 76 76 76 76
RH               74 79 85 90 94 94 82 70 72 79 85 94 97 97 82 72 74 82 88 97100
WIND DIR         SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         13 12 11 10  6  8  9 10 10 10 11 11 11 14 17 18 18 18 17 18 14
CLOUDS           B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.03        0.02        0.04        0.02        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       92 89 84          87 93 92 89 84          87 93 92 89 84
MAX HEAT         93    91          87    93    91          87    93    92


DATE           02/11/26  THU 02/12/26  FRI 02/13/26  SAT 02/14/26  SUN 02/15/26
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          85      75    85      75    85      75    85      75    85
TEMP          81 85 80   76 81 84 80   76 81 84 80   76 81 84 80   76 81 84
DEWPT         75 76 75   74 74 75 75   75 75 75 75   74 75 75 75   74 75 75
PWIND DIR         E       E     E      NE    NE      NE     E      NE    NE
WIND CHAR        BZ      BZ    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    10      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

$$
MPZ002-081800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
359 PM CHST SUN FEB 8 2026

DATE          SUN 02/08/26      MON 02/09/26            TUE 02/10/26         WED
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          77          87          77
TEMP             84 83 81 79 78 79 83 87 86 84 82 79 77 78 83 87 86 84 82 79 78
DEWPT            75 75 74 74 74 74 74 74 74 74 75 75 75 75 75 75 75 76 76 75 75
RH               74 77 79 85 88 85 74 65 68 72 79 88 94 91 77 68 70 77 82 88 91
WIND DIR         SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         13 12 10  9  6  6  6  6  6  9 10 11 11 13 16 17 17 18 16 16 14
CLOUDS           B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.03        0.02        0.05        0.03        0.03
RAIN SHWRS        C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       93 90 87 83       90 96 95 92 88          90 96 96 93 88 83
MAX HEAT         93    92    86    90    96    94    86    90    96    95    87


DATE           02/11/26  THU 02/12/26  FRI 02/13/26  SAT 02/14/26  SUN 02/15/26
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          87      77    88      76    87      77    87      77    87
TEMP          83 86 81   77 83 87 82   77 83 86 82   78 83 86 82   78 83 86
DEWPT         75 75 75   74 74 75 75   75 75 75 75   74 75 75 75   74 75 75
PWIND DIR         E       E     E      NE    NE      NE     E      NE    NE
WIND CHAR        BZ      BZ    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    10      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

$$
MPZ003-081800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
359 PM CHST SUN FEB 8 2026

DATE          SUN 02/08/26      MON 02/09/26            TUE 02/10/26         WED
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          88          76          87          77
TEMP             84 83 80 78 77 78 83 87 87 84 81 79 77 77 83 87 86 84 81 79 77
DEWPT            75 75 74 74 74 74 74 74 74 75 75 75 75 75 76 76 76 76 76 76 75
RH               74 77 82 88 90 88 74 65 65 74 82 88 94 94 80 70 72 77 85 91 94
WIND DIR         SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         12 11  9  8  5  5  6  6  8  8  9 10 10 13 16 17 17 17 14 16 13
CLOUDS           B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.04        0.02        0.05        0.03        0.03
RAIN SHWRS        C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       92 89 85          90 96 95 92 87          90 97 96 93 88
MAX HEAT         93    92    84    90    96    94    85    90    97    95    86


DATE           02/11/26  THU 02/12/26  FRI 02/13/26  SAT 02/14/26  SUN 02/15/26
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          87      76    88      76    87      76    87      76    87
TEMP          83 86 81   76 83 87 81   76 82 86 81   77 83 86 81   77 83 86
DEWPT         75 75 75   74 74 75 75   75 75 75 75   75 75 75 75   74 75 75
PWIND DIR         E       E     E      NE    NE      NE     E      NE    NE
WIND CHAR        BZ      BZ    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    10      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

$$