Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
510 FOMY50 PGUM 160520 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 317 PM CHST SUN NOV 16 2025 GUZ001-161800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 317 PM CHST SUN NOV 16 2025 DATE SUN 11/16/25 MON 11/17/25 TUE 11/18/25 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 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 78 78 78 78 78 78 78 77 77 78 78 78 78 78 78 78 78 78 79 78 77 RH 77 85 91 97100 97 82 70 72 80 85 94 97 97 82 72 75 80 88 94 94 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 10 10 9 9 11 14 13 13 12 10 10 8 11 14 13 13 11 10 9 6 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 0.05 0.02 0.06 0.09 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 100 94 90 84 94100 99 97 92 87 95101100 97 93 87 MAX HEAT 101 99 88 94 100 99 91 95 101 99 91 DATE 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 SUN 11/23/25 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 87 78 87 79 88 TEMP 84 87 83 79 84 87 83 79 83 86 82 79 83 86 83 79 84 87 DEWPT 78 78 79 78 77 78 79 79 79 78 79 79 78 78 78 78 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN BZ GN GN AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC POP 12HR 20 20 20 30 30 30 30 30 20 RAIN SHWRS S S 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 $$ MPZ001-161800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 317 PM CHST SUN NOV 16 2025 DATE SUN 11/16/25 MON 11/17/25 TUE 11/18/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 86 76 86 76 TEMP 84 81 79 77 76 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77 DEWPT 78 78 78 77 76 77 78 78 78 78 78 78 77 77 78 78 78 78 79 78 77 RH 82 91 97100100100 88 77 80 85 91100100100 88 77 80 85 94100100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 14 12 12 11 13 16 14 14 14 14 12 11 14 16 14 14 14 13 11 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.09 0.06 0.07 0.03 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 97 90 91 98 97 93 89 91 98 97 94 89 MAX HEAT 97 96 91 98 96 86 91 98 96 86 DATE 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 SUN 11/23/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 76 86 76 85 76 85 79 86 TEMP 82 85 81 77 82 85 81 77 81 84 80 77 81 84 82 79 83 85 DEWPT 78 78 79 77 77 78 79 77 78 78 79 77 78 78 78 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN BZ BZ BZ GN BZ GN GN AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC POP 12HR 20 20 20 30 30 30 30 20 20 RAIN SHWRS S S S S S S C C C C C C C S S S S S TSTMS S S S S S S S S S $$ MPZ002-161800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 317 PM CHST SUN NOV 16 2025 DATE SUN 11/16/25 MON 11/17/25 TUE 11/18/25 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 88 78 87 78 TEMP 85 83 81 79 78 79 84 88 87 85 83 80 79 79 83 87 86 85 82 80 79 DEWPT 78 78 78 78 78 78 78 78 78 78 79 78 78 78 78 78 78 78 79 78 77 RH 80 85 91 97100 97 82 72 75 80 88 94 97 97 85 75 77 80 91 94 94 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 17 17 14 18 12 14 14 16 16 16 13 12 10 14 14 14 13 14 12 11 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 0.14 0.08 0.03 0.03 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 99 92 89 84 94100100 97 93 88 94100 99 96 92 86 MAX HEAT 100 99 88 94 100 99 91 94 100 98 90 DATE 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 SUN 11/23/25 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 88 78 87 78 87 78 88 TEMP 84 87 82 79 84 87 83 79 83 86 82 79 83 86 82 78 84 87 DEWPT 78 78 78 78 77 78 79 78 78 78 79 78 78 77 77 77 77 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 20 30 30 30 20 20 RAIN SHWRS S S S S S S S S C C C C C S S S S S TSTMS S S S S S S S S S $$ MPZ003-161800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 317 PM CHST SUN NOV 16 2025 DATE SUN 11/16/25 MON 11/17/25 TUE 11/18/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 88 78 88 78 TEMP 86 83 81 79 78 79 84 88 87 85 82 80 78 79 84 88 87 85 83 80 79 DEWPT 78 78 78 78 78 78 78 78 78 78 79 78 78 78 78 78 78 78 78 78 77 RH 77 85 91 97100 97 82 72 75 80 91 94100 97 82 72 75 80 85 94 94 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 17 16 16 11 14 16 16 14 16 14 12 10 13 14 14 13 13 12 11 9 CLOUDS SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.10 0.12 0.05 0.04 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 100 93 89 84 94101100 97 92 86 94101100 97 92 87 MAX HEAT 101 100 88 94 101 99 91 94 101 99 91 DATE 11/19/25 THU 11/20/25 FRI 11/21/25 SAT 11/22/25 SUN 11/23/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 78 87 78 87 78 88 TEMP 84 87 83 79 84 87 83 79 83 86 82 79 83 86 82 78 84 87 DEWPT 78 78 79 78 78 78 79 78 78 78 79 78 78 77 77 77 77 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 20 30 30 30 20 20 RAIN SHWRS S S S S S S S S C C C C C S S S S S TSTMS S S S S S S S S S $$