Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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037 FOMY50 PGUM 230550 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 342 PM CHST SUN NOV 23 2025 GUZ001-231800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 342 PM CHST SUN NOV 23 2025 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 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 77 88 77 89 77 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 89 88 86 83 80 78 DEWPT 76 77 78 78 78 78 77 77 78 78 79 79 78 78 77 77 77 78 78 78 78 RH 70 77 88 97100100 80 70 75 80 91100100100 80 68 70 77 85 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 14 13 13 12 11 13 18 17 14 12 11 10 9 11 13 12 12 12 10 10 8 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 10 20 QPF 12HR 0.12 0.05 0.01 0.01 0.03 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 95 91 84 93100100 96 92 85 94101101 98 92 85 MAX HEAT 97 96 89 93 100 99 90 94 101 100 90 DATE 11/26/25 THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 11/30/25 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 89 77 88 76 89 79 88 79 86 TEMP 84 88 83 78 84 87 82 77 84 88 83 79 84 87 83 80 83 85 DEWPT 78 78 79 78 79 79 79 77 79 79 79 79 79 79 79 79 78 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C C TSTMS S S S S S S S S S S S $$ MPZ001-231800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 342 PM CHST SUN NOV 23 2025 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 87 77 TEMP 85 84 81 79 78 78 83 87 87 85 82 79 78 78 83 87 87 85 82 79 78 DEWPT 76 77 78 78 78 77 78 78 78 78 78 78 78 77 77 77 77 78 78 78 78 RH 75 80 91 97100 97 85 75 75 80 88 97100 97 82 72 72 80 88 97100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 18 18 16 16 13 17 19 17 16 17 14 12 10 11 13 13 13 14 12 12 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 10 20 20 QPF 12HR 0.05 0.02 0.01 0.03 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 95 93 90 84 93100 99 96 91 85 93 99 98 96 91 85 MAX HEAT 95 95 88 93 100 98 90 93 99 98 90 DATE 11/26/25 THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 11/30/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 77 87 78 87 79 86 79 86 TEMP 83 87 82 78 83 86 82 78 83 87 83 79 83 85 82 79 83 85 DEWPT 79 79 79 78 79 79 79 78 79 79 79 79 79 79 79 79 79 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C C TSTMS S S S S S $$ MPZ002-231800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 342 PM CHST SUN NOV 23 2025 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 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 88 76 89 76 TEMP 87 85 82 79 77 77 83 88 87 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 76 78 78 78 77 77 77 77 77 78 78 78 77 77 77 77 77 78 78 78 77 RH 70 80 88 97100100 82 70 72 80 88 97100100 80 68 70 80 88 97100 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 18 17 18 16 17 19 18 17 17 16 13 8 12 13 13 13 14 13 12 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 QPF 12HR 0.03 0.01 0.03 0.04 0.03 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 98 96 90 92100 99 96 90 93101100 97 91 MAX HEAT 98 97 88 92 100 98 88 93 101 99 89 DATE 11/26/25 THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 11/30/25 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 89 76 89 76 89 77 88 79 88 TEMP 84 88 82 77 84 88 82 77 84 88 82 77 83 87 83 80 85 87 DEWPT 79 78 79 77 78 78 79 77 78 79 79 77 79 79 79 79 79 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 30 RAIN SHWRS S S S S S S S S S S S S S S S S C C TSTMS S S $$ MPZ003-231800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 342 PM CHST SUN NOV 23 2025 DATE SUN 11/23/25 MON 11/24/25 TUE 11/25/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 89 76 TEMP 87 85 82 79 77 77 83 88 87 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 76 78 78 78 77 77 77 77 78 78 78 77 77 77 77 77 77 77 78 78 77 RH 70 80 88 97100100 82 70 75 80 88 94100100 80 68 70 77 88 97100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 17 18 17 17 14 17 19 18 17 17 14 12 8 12 13 13 13 14 12 12 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 QPF 12HR 0.02 0.01 0.03 0.05 0.04 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 98 96 90 92100 99 96 90 93101100 97 91 MAX HEAT 98 98 88 92 100 99 88 93 101 99 89 DATE 11/26/25 THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 11/30/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 76 89 76 89 76 89 79 88 TEMP 84 88 82 77 84 88 82 77 84 88 82 77 84 88 83 79 84 87 DEWPT 79 79 79 77 78 78 79 77 78 79 79 77 79 79 79 79 79 79 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 30 RAIN SHWRS S S S S S S S S S S S S S S S S C C TSTMS S S $$