Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
988 FOMY50 PGUM 211730 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 322 AM CHST SAT NOV 22 2025 GUZ001-220600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 322 AM CHST SAT NOV 22 2025 DATE SAT 11/22/25 SUN 11/23/25 MON 11/24/25 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 79 88 77 89 TEMP 78 79 83 87 86 85 83 81 79 80 84 87 87 85 82 79 78 78 84 89 88 DEWPT 78 78 78 78 78 78 79 78 78 77 77 77 76 77 78 78 78 78 78 77 78 RH 100 97 85 75 77 80 88 91 97 91 80 72 70 77 88 97100100 82 68 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 13 14 16 17 18 17 14 13 12 16 19 19 17 17 16 13 13 16 18 18 18 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 40 30 20 20 20 QPF 12HR 0.29 0.11 0.06 0.05 0.06 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S TSTMS S S S S S HEAT INDEX 94 99 99 96 93 89 84 86 94 99 97 95 91 84 95102101 MAX HEAT 94 99 98 91 94 99 97 89 95 102 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 11/28/25 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 89 77 89 77 88 76 89 TEMP 83 78 84 88 83 78 84 88 83 78 84 87 82 77 84 88 DEWPT 79 78 77 77 78 78 78 78 79 79 79 79 79 79 79 79 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 30 30 30 30 RAIN SHWRS S S S S S S S S C C C S C C C C TSTMS S S S S S S S $$ MPZ001-220600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 322 AM CHST SAT NOV 22 2025 DATE SAT 11/22/25 SUN 11/23/25 MON 11/24/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 79 86 77 87 TEMP 76 77 81 85 84 83 82 80 79 80 83 86 85 84 81 79 78 78 83 87 87 DEWPT 77 78 78 78 78 78 78 78 77 77 77 77 77 78 78 78 78 78 78 78 78 RH 103103 91 80 82 85 88 94 94 91 82 75 77 82 91 97100100 85 75 75 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 18 19 20 20 19 18 17 17 17 19 20 20 19 18 17 17 16 18 19 19 19 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.18 0.06 0.11 0.11 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S S HEAT INDEX 90 96 96 94 91 88 84 85 92 97 96 94 90 84 93100 99 MAX HEAT 90 96 95 90 92 97 95 89 93 100 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 11/28/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 87 77 87 78 87 TEMP 82 78 83 87 82 78 83 87 82 78 83 86 82 78 83 87 DEWPT 79 78 77 77 77 78 78 79 79 79 79 79 80 79 79 79 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 30 30 20 30 RAIN SHWRS S S S S S S S S C C C S S S C C TSTMS S S S S $$ MPZ002-220600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 322 AM CHST SAT NOV 22 2025 DATE SAT 11/22/25 SUN 11/23/25 MON 11/24/25 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 78 88 76 89 TEMP 78 79 83 87 86 84 82 80 78 79 84 88 87 85 82 79 77 77 84 89 88 DEWPT 77 78 78 77 78 78 78 78 77 77 76 77 77 78 78 78 78 78 78 78 78 RH 97 97 85 72 77 82 88 94 97 94 77 70 72 80 88 97103103 82 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 16 17 18 18 18 17 16 16 17 18 18 18 18 17 17 16 16 17 18 19 19 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 0.04 0.04 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 TSTMS S HEAT INDEX 93 99 98 95 91 85 93 99 98 96 91 94102102 MAX HEAT 93 99 97 90 93 99 98 89 94 102 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 11/28/25 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 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 79 78 77 77 77 78 78 79 79 79 79 79 79 79 79 79 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 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 TSTMS S S S S $$ MPZ003-220600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 322 AM CHST SAT NOV 22 2025 DATE SAT 11/22/25 SUN 11/23/25 MON 11/24/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 78 88 76 89 TEMP 78 79 83 87 86 84 82 80 78 79 84 88 87 85 82 79 77 77 84 89 88 DEWPT 77 77 78 78 78 78 78 78 77 77 76 77 77 78 78 78 78 78 78 78 78 RH 97 94 85 75 77 82 88 94 97 94 77 70 72 80 88 97103103 82 70 72 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 17 18 18 18 17 16 16 17 17 18 18 18 17 17 16 16 17 18 19 19 CLOUDS SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.10 0.05 0.03 0.05 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 93 99 98 96 91 85 93 99 99 96 91 94102102 MAX HEAT 93 99 98 89 93 99 98 89 94 103 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 11/28/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 79 78 77 77 77 78 78 79 79 79 79 79 79 79 79 79 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S TSTMS S S $$