Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
091 FOMY50 PGUM 191820 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 411 AM CHST THU NOV 20 2025 GUZ001-200600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 411 AM CHST THU NOV 20 2025 DATE THU 11/20/25 FRI 11/21/25 SAT 11/22/25 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 79 84 88 87 85 83 80 79 79 83 87 86 84 82 80 79 79 83 87 86 DEWPT 78 77 77 77 78 79 79 79 79 79 78 78 79 79 78 78 78 78 79 78 RH 97 80 70 72 80 88 97100100 88 75 77 85 91 94 97 97 85 77 77 WIND DIR E E E E E E E E E E E E E E E E E E E E WIND SPD 13 16 16 14 14 12 11 11 13 19 18 17 17 14 12 12 14 19 18 17 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 40 40 30 QPF 12HR 0.07 0.17 0.38 0.24 0.18 RAIN SHWRS S S S S C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 94 99 99 97 93 88 94100 99 96 92 86 94100 99 MAX HEAT 94 99 99 91 94 100 98 90 94 100 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED 11/26/25 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 79 88 77 89 77 89 77 89 TEMP 83 79 84 87 82 78 84 88 83 78 84 88 83 78 84 88 DEWPT 78 78 77 77 78 78 78 78 78 78 77 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ GN GN GN GN AVG CLOUDS B1 B1 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 TSTMS S $$ MPZ001-200600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 411 AM CHST THU NOV 20 2025 DATE THU 11/20/25 FRI 11/21/25 SAT 11/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 76 85 76 85 TEMP 77 82 86 85 83 81 78 77 77 81 85 84 82 80 78 77 77 81 85 84 DEWPT 78 78 77 78 78 79 79 79 79 79 79 78 78 78 78 78 78 78 78 78 RH 103 88 75 80 85 94103107107 94 82 82 88 94100103103 91 80 82 WIND DIR E E E E E E E E E E E E E E E E E E E E WIND SPD 14 18 18 17 18 16 14 13 16 19 20 17 19 16 13 14 16 20 19 18 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 30 30 30 20 QPF 12HR 0.08 0.22 0.30 0.16 0.11 RAIN SHWRS S S S S C C C C C C C C S S S S S S S S TSTMS S S S S S S S S HEAT INDEX 91 97 96 94 89 91 97 96 92 88 90 96 96 MAX HEAT 91 97 96 86 91 97 95 84 90 96 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED 11/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 86 77 87 77 87 77 87 TEMP 82 79 83 85 81 78 83 87 82 78 83 87 82 78 83 87 DEWPT 78 78 76 77 78 78 78 78 79 78 78 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ GN GN GN AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-200600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 411 AM CHST THU NOV 20 2025 DATE THU 11/20/25 FRI 11/21/25 SAT 11/22/25 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 79 84 88 87 85 83 80 79 79 83 87 86 84 82 80 79 79 83 87 86 DEWPT 78 78 77 77 78 79 79 79 79 78 78 78 78 78 78 78 78 78 78 78 RH 97 82 70 72 80 88 97100100 85 75 77 82 88 94 97 97 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 WIND SPD 16 18 18 17 18 16 14 12 16 19 18 18 18 17 13 12 16 19 18 18 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 QPF 12HR 0.08 0.30 0.31 0.08 0.04 RAIN SHWRS S S S S C C C C C C C C S S S S S S S S TSTMS S S S S HEAT INDEX 94 99 99 97 93 88 94100 99 96 91 86 93 99 98 MAX HEAT 94 99 99 91 94 100 98 90 93 99 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED 11/26/25 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 76 89 76 89 76 89 TEMP 82 78 84 87 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 78 77 76 77 78 78 78 78 79 78 77 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ GN 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 $$ MPZ003-200600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 411 AM CHST THU NOV 20 2025 DATE THU 11/20/25 FRI 11/21/25 SAT 11/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 87 78 87 TEMP 79 84 88 87 85 83 80 79 79 83 87 86 84 82 80 79 79 83 87 86 DEWPT 78 78 77 77 78 79 79 79 79 78 78 78 78 78 78 78 78 78 78 78 RH 97 82 70 72 80 88 97100100 85 75 77 82 88 94 97 97 85 75 77 WIND DIR E E E E E E E E E E E E E E E E E E E E WIND SPD 16 18 18 17 19 16 14 12 16 20 18 18 19 16 13 12 16 19 18 18 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 QPF 12HR 0.08 0.32 0.31 0.08 0.04 RAIN SHWRS S S S S C C C C C C C C S S S S S S S S TSTMS S S S S HEAT INDEX 94100 99 97 93 88 94100 99 96 91 86 94100 99 MAX HEAT 94 100 99 92 94 100 98 90 94 100 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED 11/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 76 89 76 89 76 89 TEMP 82 78 84 87 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 78 77 76 77 78 78 78 78 79 78 78 78 78 78 78 78 PWIND DIR E E E E E E E E WIND CHAR BZ BZ BZ BZ BZ GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$