Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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834 FOMY50 PGUM 111710 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 301 AM CHST WED NOV 12 2025 GUZ001-120600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 301 AM CHST WED NOV 12 2025 DATE WED 11/12/25 THU 11/13/25 FRI 11/14/25 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 78 87 78 88 TEMP 78 79 84 87 87 85 82 80 79 79 84 87 87 85 82 80 78 79 84 87 87 DEWPT 78 78 77 77 77 77 77 77 77 77 76 76 76 77 77 77 77 77 77 77 77 RH 100 97 80 72 72 77 85 91 94 94 77 70 70 77 85 91 97 94 80 72 72 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 5 6 11 11 11 11 9 6 6 11 13 12 11 11 9 8 6 9 10 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 10 10 QPF 12HR 0.05 0.11 0.04 0.03 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 94100 99 96 91 87 92 98 97 94 90 85 93 99 98 MAX HEAT 94 100 98 90 92 98 96 88 93 99 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 11/18/25 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 78 88 78 88 78 88 78 89 TEMP 82 79 84 87 82 79 84 87 82 79 84 87 82 79 85 88 DEWPT 78 78 78 78 79 79 78 79 79 79 79 78 79 79 78 78 PWIND DIR E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ GN GN AVG CLOUDS 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 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-120600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 301 AM CHST WED NOV 12 2025 DATE WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 76 86 76 86 TEMP 76 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77 77 82 86 85 DEWPT 78 77 78 77 77 77 77 77 77 77 76 76 76 76 77 77 77 77 77 77 77 RH 107100 88 75 77 82 88 97100100 82 72 75 80 88 97100100 85 75 77 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 8 9 11 11 12 13 11 9 9 11 13 12 11 11 10 8 8 9 11 10 10 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 10 10 20 QPF 12HR 0.08 0.11 0.04 0.05 0.02 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 97 96 92 88 89 96 95 92 87 90 96 96 MAX HEAT 90 97 95 85 89 96 94 85 90 96 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 11/18/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 86 76 86 76 86 76 87 TEMP 81 77 82 85 81 77 82 85 81 77 82 85 81 77 83 87 DEWPT 78 78 78 78 79 79 79 79 79 79 79 79 79 78 78 78 PWIND DIR E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-120600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 301 AM CHST WED NOV 12 2025 DATE WED 11/12/25 THU 11/13/25 FRI 11/14/25 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 78 87 78 87 TEMP 78 79 84 87 87 85 82 80 79 79 84 87 87 85 82 80 79 79 83 87 86 DEWPT 77 77 77 77 77 77 77 77 76 76 76 76 76 77 77 77 77 77 77 77 77 RH 97 94 80 72 72 77 85 91 91 91 77 70 70 77 85 91 94 94 82 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 6 9 12 10 11 13 11 10 9 11 13 12 12 12 10 9 8 10 11 10 10 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 10 10 10 QPF 12HR 0.09 0.11 0.13 0.11 0.06 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 99 98 95 91 86 92 97 97 95 91 86 93 98 97 MAX HEAT 93 99 97 89 92 97 96 89 93 98 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 11/18/25 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 78 88 78 88 78 88 78 89 TEMP 82 79 84 87 82 79 84 87 82 79 84 87 82 79 85 88 DEWPT 78 78 78 78 79 78 78 78 79 78 78 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ GN GN AVG CLOUDS 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 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-120600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 301 AM CHST WED NOV 12 2025 DATE WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 88 TEMP 78 79 84 88 87 85 83 80 79 79 84 88 87 85 82 80 78 79 84 88 87 DEWPT 77 77 77 77 77 77 77 77 76 76 76 76 76 77 77 77 77 77 77 77 77 RH 97 94 80 70 72 77 82 91 91 91 77 68 70 77 85 91 97 94 80 70 72 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 10 12 10 12 12 10 10 8 11 13 12 12 12 10 9 8 10 11 10 10 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 10 10 10 QPF 12HR 0.09 0.12 0.14 0.11 0.06 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 99 98 96 91 86 93 98 98 95 91 85 94100 99 MAX HEAT 94 99 98 89 93 98 97 89 94 100 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 11/18/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 78 88 78 88 78 89 TEMP 83 79 84 87 83 79 84 87 83 79 84 87 83 79 85 88 DEWPT 78 78 78 78 79 78 78 79 79 78 78 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$