Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
001 FOMY50 PGUM 050610 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 400 PM CHST SUN OCT 5 2025 GUZ001-051800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 400 PM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 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 87 76 86 76 TEMP 85 82 80 78 77 77 83 87 86 84 81 78 77 77 82 86 85 83 81 78 77 DEWPT 75 75 76 76 76 75 75 75 75 76 76 76 76 76 76 76 76 77 77 77 77 RH 72 79 88 94 97 94 77 68 70 77 85 94 97 97 82 72 75 82 88 97100 WIND DIR W SW S S S S SE SW W N NE NE NE NW SW S S S S S S WIND SPD 2 2 2 2 2 3 4 3 2 1 1 1 1 1 3 6 11 11 10 8 5 CLOUDS B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 30 40 60 60 QPF 12HR 0.19 0.35 0.25 0.44 0.46 RAIN SHWRS S S S C C S S C C C C C C L L L L C C C C TSTMS S S S S S S S S S S S S S S S S S S S HEAT INDEX 93 89 84 90 96 95 92 88 89 96 95 92 87 MAX HEAT 93 92 90 96 95 86 89 96 94 85 DATE 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 SUN 10/12/25 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 76 88 76 87 76 89 76 89 TEMP 83 87 82 77 83 87 82 77 83 86 81 77 84 88 82 77 84 88 DEWPT 76 76 77 77 77 77 77 77 77 76 77 76 76 76 77 76 77 76 PWIND DIR S SE NE NE NE NE E E E WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 50 20 20 30 30 30 20 20 20 RAIN SHWRS C S S S S S C C C C C S S S S S S S TSTMS S S S S S S $$ MPZ001-051800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 400 PM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 75 86 75 85 75 TEMP 84 81 78 76 75 76 82 86 85 83 80 77 76 76 81 85 84 82 80 77 76 DEWPT 75 75 75 75 75 75 75 75 75 75 76 76 76 76 76 76 76 76 76 76 76 RH 74 82 91 97100 97 79 70 72 77 88 97100100 85 75 77 82 88 97100 WIND DIR N W S S S S SE SE SE E E E E E SE SE SE S S S S WIND SPD 1 2 3 3 2 4 5 5 4 4 5 6 10 14 18 19 18 16 13 11 9 CLOUDS B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 30 40 60 60 QPF 12HR 0.17 0.11 0.26 0.45 0.50 RAIN SHWRS S S S C C S S C C C C C C L L L L C C C C TSTMS S S S S S S S S S S S S S S S HEAT INDEX 91 86 88 94 94 90 85 87 94 93 90 84 MAX HEAT 91 89 88 94 93 87 94 92 DATE 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 SUN 10/12/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 75 87 75 86 75 88 75 88 TEMP 82 86 81 76 82 86 81 76 81 85 80 76 83 87 81 76 83 87 DEWPT 76 76 77 76 76 76 77 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR S E NE NE NE E E E E WIND CHAR GN LT LT LT LT LT LT GN GN AVG CLOUDS B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 50 20 20 30 30 30 20 20 20 RAIN SHWRS C S S S S S C C C C C S S S S S S S TSTMS S S S S S S $$ MPZ002-051800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 400 PM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 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 82 81 79 78 79 84 88 87 85 83 80 79 79 83 87 86 84 82 80 79 DEWPT 75 75 76 75 75 76 76 76 76 76 77 76 76 77 77 77 77 77 77 76 76 RH 72 79 85 88 91 91 77 68 70 75 82 88 91 94 82 72 75 80 85 88 91 WIND DIR E E E E SE SE SE SE SE SE SE E E E SE SE SE SE SE S S WIND SPD 2 4 5 5 4 5 8 6 6 8 10 11 12 17 20 20 19 18 17 12 8 CLOUDS SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 30 40 50 50 QPF 12HR 0.17 0.09 0.25 0.45 0.34 RAIN SHWRS S S S C C 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 HEAT INDEX 93 89 86 83 93 99 98 95 91 86 93 98 97 94 90 85 MAX HEAT 93 92 85 93 99 97 89 93 98 96 88 DATE 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 SUN 10/12/25 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 88 78 90 78 90 TEMP 84 87 83 79 84 87 83 79 84 87 83 79 85 89 83 79 85 89 DEWPT 77 77 77 77 77 77 77 77 77 77 77 76 77 76 77 76 77 77 PWIND DIR S E NE NE NE E E E E WIND CHAR GN LT LT LT GN LT LT LT GN AVG CLOUDS B1 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC POP 12HR 50 20 20 30 30 30 20 20 20 RAIN SHWRS C S S S S S C C C C C S S S S S S S TSTMS S S S S S S $$ MPZ003-051800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 400 PM CHST SUN OCT 5 2025 DATE SUN 10/05/25 MON 10/06/25 TUE 10/07/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 88 78 87 78 TEMP 86 83 81 79 78 79 84 88 87 85 82 80 78 79 83 87 86 84 82 80 78 DEWPT 76 76 76 76 76 76 77 77 76 77 77 77 77 77 77 77 77 77 77 77 77 RH 72 80 85 91 94 91 80 70 70 77 85 91 97 94 82 72 75 80 85 91 97 WIND DIR E E E SE SE SE SE SE SE SE SE SE E E SE SE SE SE SE S S WIND SPD 2 4 5 5 4 6 8 9 9 9 9 10 12 17 20 20 19 18 17 12 9 CLOUDS SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 30 40 50 50 QPF 12HR 0.18 0.08 0.26 0.45 0.33 RAIN SHWRS S S S C C S S C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S HEAT INDEX 95 91 87 93 99 98 95 91 85 93 99 98 95 90 85 MAX HEAT 95 94 86 93 99 97 89 93 99 97 88 DATE 10/08/25 THU 10/09/25 FRI 10/10/25 SAT 10/11/25 SUN 10/12/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 78 88 78 90 78 90 TEMP 84 87 82 78 84 87 82 78 84 87 82 78 85 89 83 78 85 89 DEWPT 77 77 77 77 78 78 78 77 78 77 77 77 77 77 77 77 77 77 PWIND DIR S E NE NE NE E E E E WIND CHAR GN LT LT LT GN LT LT LT GN AVG CLOUDS B1 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC POP 12HR 50 20 20 30 30 30 20 20 20 RAIN SHWRS C S S S S S C C C C C S S S S S S S TSTMS S S S S S S $$