Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
224 FOMY50 PGUM 041810 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 401 AM CHST SUN OCT 5 2025 GUZ001-050600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 401 AM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 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 76 87 76 87 TEMP 77 83 87 86 84 81 78 77 77 83 87 86 84 81 78 77 77 83 87 86 DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 RH 97 80 70 72 77 85 94 97 97 80 70 72 80 88 97100100 82 72 75 WIND DIR W W W W S E SE SE E SE SE E E E E E E SE S S WIND SPD 1 2 3 2 1 2 2 1 2 3 3 3 5 4 4 4 5 6 9 13 CLOUDS B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 20 20 40 50 50 QPF 12HR 0.15 0.10 0.07 0.32 0.41 RAIN SHWRS S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 97 96 93 88 91 97 97 94 88 91 98 97 MAX HEAT 91 97 95 86 91 97 96 87 91 98 DATE WED 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 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 88 76 88 80 87 80 87 TEMP 81 77 83 87 82 77 83 87 84 80 84 86 83 80 84 86 DEWPT 78 78 77 77 78 78 78 78 78 78 78 77 78 78 78 77 PWIND DIR S SE E E NE NE NE E WIND CHAR GN GN LT LT LT LT LT LT AVG CLOUDS B2 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC POP 12HR 50 40 20 20 20 20 20 20 RAIN SHWRS C C C S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S $$ MPZ001-050600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 401 AM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 75 86 75 86 TEMP 76 82 86 85 83 80 77 76 76 82 86 85 83 80 77 76 76 82 86 85 DEWPT 76 76 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 RH 100 82 72 75 80 88 97100100 82 75 77 82 91100103103 85 75 77 WIND DIR SW SW W N E E SE SE SE SE SE E E E E E E SE SE SE WIND SPD 1 1 1 1 2 3 5 3 3 5 5 5 8 8 8 8 10 12 13 16 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 POP 12HR 20 20 30 50 50 QPF 12HR 0.09 0.13 0.11 0.39 0.35 RAIN SHWRS S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S HEAT INDEX 88 96 94 91 86 89 96 95 92 87 89 97 96 MAX HEAT 88 96 93 89 96 95 89 97 DATE WED 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 75 87 75 87 81 86 81 86 TEMP 80 76 82 86 81 76 82 86 84 81 84 85 83 81 84 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE SE E E NE NE NE E WIND CHAR GN GN LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC SC POP 12HR 40 40 20 20 20 20 20 20 RAIN SHWRS C C C S S S S S S S S S S S S S TSTMS S S S S S S S S S S S $$ MPZ002-050600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 401 AM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 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 78 88 78 88 TEMP 79 83 86 86 84 82 80 78 79 84 88 87 85 83 80 79 79 84 88 87 DEWPT 76 76 76 76 76 76 76 76 77 77 77 77 77 78 78 78 77 77 77 77 RH 91 80 72 72 77 82 88 94 94 80 70 72 77 85 94 97 94 80 70 72 WIND DIR SW SE W E E SE SE SE SE SE SE SE E E E E E E SE SE WIND SPD 1 1 0 2 5 6 5 4 5 8 8 8 10 10 10 10 13 17 16 16 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 POP 12HR 20 30 30 40 40 QPF 12HR 0.05 0.14 0.09 0.32 0.24 RAIN SHWRS S S S S C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S HEAT INDEX 91 96 95 93 89 85 93 99 99 96 92 87 94100 99 MAX HEAT 91 96 95 88 93 99 98 90 94 100 DATE WED 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 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 78 88 79 88 79 88 TEMP 83 79 84 87 83 79 84 87 83 80 84 87 83 80 84 87 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 77 PWIND DIR SE SE E E NE NE NE E WIND CHAR GN GN LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC B1 SC SC SC SC SC SC POP 12HR 30 30 20 20 20 20 20 20 RAIN SHWRS C C C S S S S S S S S S S S S S TSTMS S S S S S S S S S S S $$ MPZ003-050600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 401 AM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 88 TEMP 79 84 88 87 85 82 80 78 79 84 88 87 85 82 80 78 79 84 88 87 DEWPT 76 76 76 76 76 76 76 76 77 77 77 77 77 78 78 78 77 77 78 77 RH 91 77 68 70 75 82 88 94 94 80 70 72 77 88 94100 94 80 72 72 WIND DIR SW SE S E E SE SE SE SE SE SE SE E E E E E E SE SE WIND SPD 0 1 0 2 5 6 5 4 5 9 9 9 10 10 11 10 13 17 16 17 CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.05 0.16 0.10 0.30 0.23 RAIN SHWRS S S S S C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S HEAT INDEX 93 99 98 95 90 85 93100 99 96 92 86 94100 99 MAX HEAT 93 99 97 89 93 100 98 90 94 100 DATE WED 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 78 88 79 88 79 88 TEMP 82 78 84 87 82 78 84 87 83 80 84 87 83 80 84 87 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 77 PWIND DIR SE SE E E NE NE NE E WIND CHAR GN GN LT GN LT LT LT LT AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 20 20 20 20 20 20 RAIN SHWRS C C C S S S S S S S S S S S S S TSTMS S S S S S S S $$