Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
885 FOMY50 PGUM 150510 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 307 PM CHST SAT NOV 15 2025 GUZ001-151800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 307 PM CHST SAT NOV 15 2025 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 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 86 83 81 79 78 79 84 88 87 85 83 80 79 79 84 88 87 85 83 80 79 DEWPT 77 78 78 78 78 78 78 78 78 78 79 78 78 78 78 79 78 79 79 78 78 RH 75 85 91 97100 97 82 72 75 80 88 94 97 97 82 75 75 82 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 13 11 11 10 10 12 16 14 13 12 13 10 10 11 14 13 13 13 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 0.09 0.08 0.08 0.04 0.06 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 93 89 95101100 97 93 88 95102101 98 93 88 MAX HEAT 100 98 88 95 101 99 91 95 102 100 91 DATE 11/18/25 WED 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 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 87 78 87 TEMP 84 87 83 79 84 87 83 79 84 87 83 79 83 86 82 79 83 86 DEWPT 78 78 79 78 78 78 79 78 78 78 79 78 78 78 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 30 RAIN SHWRS S S S S S S S S S S S S C C C C C C TSTMS S S S S S S $$ MPZ001-151800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 307 PM CHST SAT NOV 15 2025 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 86 76 86 76 TEMP 84 81 79 77 76 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77 DEWPT 78 78 78 77 76 77 78 78 78 78 79 78 77 77 79 79 79 79 78 78 77 RH 82 91 97100100100 88 77 80 85 94100100100 91 80 82 88 91100100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 14 13 12 13 14 16 16 13 14 13 11 10 12 14 14 13 14 12 11 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.12 0.08 0.08 0.05 0.07 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 96 90 91 98 97 94 89 91 99 98 94 89 MAX HEAT 97 96 91 98 96 86 91 99 97 86 DATE 11/18/25 WED 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 76 86 76 86 76 85 76 85 TEMP 82 85 81 77 82 85 81 77 82 85 81 77 81 84 80 77 81 85 DEWPT 78 78 79 77 78 78 78 77 78 78 79 77 78 78 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 30 RAIN SHWRS S S S S S S S S S S S S C C C C C C TSTMS S S S S S S $$ MPZ002-151800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 307 PM CHST SAT NOV 15 2025 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE 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 86 83 81 79 78 79 84 87 87 85 82 80 79 79 84 88 87 85 83 80 79 DEWPT 77 78 78 78 78 78 78 78 78 79 78 78 78 79 78 78 78 79 79 78 78 RH 75 85 91 97100 97 82 75 75 82 88 94 97100 82 72 75 82 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 16 16 14 14 13 14 18 16 17 16 14 12 11 11 14 14 13 14 12 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 0.09 0.11 0.07 0.08 0.09 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 93 89 84 94100 99 97 92 86 95102101 97 93 88 MAX HEAT 99 98 88 94 100 99 90 95 102 100 91 DATE 11/18/25 WED 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 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 87 78 87 78 88 78 87 78 87 TEMP 83 86 82 79 84 87 82 79 84 87 83 79 83 86 82 79 83 86 DEWPT 78 78 79 78 78 78 78 78 78 78 78 78 77 78 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 30 RAIN SHWRS S S S S S S S S S S S S C C C C C C TSTMS S S S S S S $$ MPZ003-151800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 307 PM CHST SAT NOV 15 2025 DATE SAT 11/15/25 SUN 11/16/25 MON 11/17/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 88 78 88 78 TEMP 86 83 81 79 78 79 84 88 87 85 83 80 79 79 84 88 87 85 82 80 78 DEWPT 77 78 78 78 78 78 78 78 78 79 78 78 78 79 79 79 78 79 79 78 78 RH 75 85 91 97100 97 82 72 75 82 85 94 97100 85 75 75 82 91 94100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 16 16 14 13 14 17 16 16 16 14 11 11 11 14 14 14 14 12 11 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.07 0.10 0.07 0.08 0.10 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 99 93 89 95101100 98 92 88 95102101 97 92 86 MAX HEAT 100 99 88 95 101 100 91 95 102 100 91 DATE 11/18/25 WED 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 78 88 78 87 78 87 TEMP 84 87 83 79 84 87 83 79 84 87 83 79 83 86 82 79 83 86 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 77 78 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 30 RAIN SHWRS S S S S S S S S S S S S C C C C C C TSTMS S S S S S S $$