Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
178 FOMY50 PGUM 031030 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 826 PM CHST SUN AUG 3 2025 GUZ001-031800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 826 PM CHST SUN AUG 3 2025 DATE SUN 08/03/25 MON 08/04/25 TUE 08/05/25 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 85 77 TEMP 81 79 78 78 83 87 87 85 82 79 78 78 82 85 84 83 81 79 78 DEWPT 78 79 78 78 78 78 78 78 79 79 78 78 79 79 79 79 79 79 78 RH 91100100100 85 75 75 80 91100100100 91 82 85 88 94100100 WIND DIR SE SE SE SE SE SE E E E E SE E E E E E E E SE WIND SPD 9 9 6 8 9 8 5 5 3 4 3 3 3 3 3 3 4 4 3 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 QPF 12HR 0.17 0.13 0.13 0.30 0.26 RAIN SHWRS C 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 HEAT INDEX 91 85 94100 99 96 92 85 92 97 96 93 90 MAX HEAT 93 89 94 100 99 90 92 97 95 88 DATE 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 08/09/25 SUN 08/10/25 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 86 77 87 77 87 77 87 77 87 TEMP 83 85 81 77 83 86 81 78 83 87 82 78 83 86 81 78 83 86 DEWPT 78 78 78 77 78 78 78 78 78 78 78 78 78 78 77 77 76 76 PWIND DIR SE S S SE SE E E E E WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 20 20 20 20 20 30 RAIN SHWRS C C C C C S S S S S S S S S S S C C TSTMS S S S S S S S S $$ MPZ001-031800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 826 PM CHST SUN AUG 3 2025 DATE SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 86 77 84 76 TEMP 80 78 77 78 82 85 85 83 81 78 77 77 81 84 83 82 80 78 76 DEWPT 78 79 77 78 78 78 78 79 79 78 77 77 79 79 79 79 79 78 76 RH 94103100100 88 80 80 88 94100100100 94 85 88 91 97100100 WIND DIR SE SE E E E E E E E E E E E E E E E SE SE WIND SPD 11 10 8 8 10 9 8 9 8 6 8 5 5 3 4 5 8 6 5 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 QPF 12HR 0.17 0.17 0.21 0.34 0.30 RAIN SHWRS C C C S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S HEAT INDEX 90 91 98 97 94 90 90 96 95 92 85 MAX HEAT 92 88 91 98 96 86 90 96 94 DATE 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 08/09/25 SUN 08/10/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 85 77 85 77 86 76 85 76 85 TEMP 81 84 80 77 82 84 80 77 82 85 81 77 81 84 80 77 81 84 DEWPT 78 78 78 77 78 78 78 77 78 78 78 77 78 78 77 77 76 76 PWIND DIR SE S S S SE E E E E WIND CHAR GN LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 30 30 20 20 20 30 RAIN SHWRS C C C C C C C C C S S S S S S S C C TSTMS S S S S S S S S S $$ MPZ002-031800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 826 PM CHST SUN AUG 3 2025 DATE SUN 08/03/25 MON 08/04/25 TUE 08/05/25 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 79 87 79 86 79 TEMP 82 80 79 80 83 86 86 85 83 81 80 80 83 85 85 84 82 80 79 DEWPT 79 79 78 78 78 78 78 79 79 79 79 79 79 79 79 79 79 79 78 RH 91 97 97 94 85 77 77 82 88 94 97 97 88 82 82 85 91 97 97 WIND DIR SE E E E E E E E E E E E E E E E E SE SE WIND SPD 11 10 9 10 11 11 11 10 10 8 8 8 6 5 5 6 8 8 6 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 QPF 12HR 0.09 0.20 0.23 0.35 0.29 RAIN SHWRS C C C 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 89 84 85 94 99 99 97 94 90 86 89 94 98 97 95 92 89 85 MAX HEAT 96 92 94 99 98 93 94 98 97 91 DATE 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 08/09/25 SUN 08/10/25 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 86 79 86 79 86 79 86 79 86 TEMP 83 85 82 79 83 85 82 79 83 86 82 79 83 85 82 79 83 85 DEWPT 78 78 78 78 78 77 78 78 78 77 78 78 78 78 77 77 76 76 PWIND DIR SE S S S SE E E E E WIND CHAR GN LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 30 RAIN SHWRS C C C C C C C C C C C S S S S S C C TSTMS S S S S S S S S S S S S $$ MPZ003-031800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 826 PM CHST SUN AUG 3 2025 DATE SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 87 79 86 78 TEMP 82 80 79 79 84 87 86 85 83 81 79 80 83 86 86 84 82 80 79 DEWPT 79 79 78 78 78 78 78 79 79 79 79 79 79 79 79 79 79 79 78 RH 91 97 97 97 82 75 77 82 88 94100 97 88 80 80 85 91 97 97 WIND DIR SE E E E E E E E E E E E E E E E E SE SE WIND SPD 11 10 9 9 11 11 10 11 10 8 8 8 8 6 6 8 8 8 6 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 QPF 12HR 0.05 0.19 0.21 0.34 0.28 RAIN SHWRS C C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S HEAT INDEX 93 89 84 94100100 97 93 90 84 85 94 99 99 96 92 88 MAX HEAT 96 92 94 100 99 92 94 99 98 91 DATE 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 08/09/25 SUN 08/10/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 78 87 78 87 79 86 79 86 TEMP 83 85 82 79 83 86 82 79 83 86 82 79 83 85 82 79 83 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 77 76 76 PWIND DIR SE S S S SE E E E E WIND CHAR GN LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 30 RAIN SHWRS C C C C C C C C C C C S S S S S C C TSTMS S S S S S S S S S S S S S $$