Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
886 FOMY50 PGUM 241750 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 346 AM CHST MON AUG 25 2025 GUZ001-250600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 346 AM CHST MON AUG 25 2025 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 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 89 77 88 77 88 TEMP 77 78 84 89 88 86 82 79 78 78 83 87 87 85 82 79 78 78 83 88 87 DEWPT 78 78 78 77 77 78 78 78 78 78 78 78 78 78 79 79 78 78 78 78 78 RH 103100 82 68 70 77 88 97100100 85 75 75 80 91100100100 85 72 75 WIND DIR E E E NE NE NE NE NE E E E E SE SE SE SE SE SE SE SE SE WIND SPD 4 4 5 5 8 9 8 6 9 9 10 11 11 12 11 9 8 11 13 12 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 30 QPF 12HR 0.05 0.14 0.10 0.36 0.41 RAIN SHWRS C 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 HEAT INDEX 94102101 97 92 85 93100100 96 91 84 94101100 MAX HEAT 94 102 100 90 93 100 99 90 94 101 DATE THU 08/28/25 FRI 08/29/25 SAT 08/30/25 SUN 08/31/25 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 77 88 77 88 77 88 77 88 TEMP 82 78 83 87 82 78 83 87 82 78 83 87 82 78 83 87 DEWPT 79 78 78 78 79 79 79 79 79 79 79 78 79 78 78 78 PWIND DIR SE E E E E E SE SE WIND CHAR GN GN LT GN GN GN LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C C C S C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ001-250600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 346 AM CHST MON AUG 25 2025 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 76 86 76 85 TEMP 76 77 82 87 86 84 81 78 76 77 82 86 85 83 80 78 76 77 81 85 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 79 79 78 78 79 79 79 RH 107103 88 75 77 82 91100107103 88 77 80 85 97103107103 94 82 82 WIND DIR E E E NE NE NE NE E E E E E SE SE SE SE SE SE SE SE SE WIND SPD 5 5 6 5 8 10 10 10 13 10 12 12 13 13 12 10 9 12 13 12 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 30 QPF 12HR 0.08 0.12 0.05 0.36 0.43 RAIN SHWRS C S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 99 98 94 89 91 98 97 93 88 91 97 96 MAX HEAT 91 99 97 85 91 98 96 84 91 97 DATE THU 08/28/25 FRI 08/29/25 SAT 08/30/25 SUN 08/31/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 85 76 85 76 85 76 85 TEMP 80 76 81 85 80 76 81 85 80 76 81 85 80 76 81 85 DEWPT 79 78 78 79 79 79 79 79 79 79 79 79 79 78 78 78 PWIND DIR E E E E E E SE SE WIND CHAR GN GN GN GN GN GN LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C C C S C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-250600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 346 AM CHST MON AUG 25 2025 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 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 89 77 88 77 87 TEMP 77 78 84 88 88 85 82 79 78 78 83 87 87 85 82 79 78 78 83 86 86 DEWPT 78 78 78 78 78 78 79 79 78 78 78 78 78 78 79 79 78 78 79 78 78 RH 103100 82 72 72 80 91100100100 85 75 75 80 91100100100 88 77 77 WIND DIR E E E NE NE NE NE E SE E E SE SE E E E E SE SE SE SE WIND SPD 6 6 6 6 8 11 11 12 16 11 13 13 14 14 12 11 10 12 13 13 11 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 30 QPF 12HR 0.12 0.11 0.04 0.31 0.36 RAIN SHWRS C 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 S HEAT INDEX 94102101 97 92 85 93101100 96 92 84 93 99 98 MAX HEAT 94 102 100 90 93 101 99 90 93 99 DATE THU 08/28/25 FRI 08/29/25 SAT 08/30/25 SUN 08/31/25 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 77 87 77 87 77 87 77 87 TEMP 81 78 83 86 81 78 83 86 81 78 83 86 81 78 83 86 DEWPT 79 79 79 79 79 79 79 79 79 79 79 79 79 78 78 78 PWIND DIR E E E E E E E SE WIND CHAR GN GN GN GN GN GN LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 20 20 30 30 RAIN SHWRS C S S S C C C S S S S S C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ003-250600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 346 AM CHST MON AUG 25 2025 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 77 88 77 87 TEMP 77 78 84 88 88 85 82 79 78 78 83 87 87 85 82 79 78 78 83 86 86 DEWPT 78 78 78 78 78 78 79 79 78 78 78 78 78 78 79 79 78 78 79 79 79 RH 103100 82 72 72 80 91100100100 85 75 75 80 91100100100 88 80 80 WIND DIR E E E E NE NE NE E SE E E SE SE E E E E SE SE SE SE WIND SPD 6 6 6 6 8 11 11 12 14 11 13 13 13 14 12 10 10 12 13 13 11 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 30 QPF 12HR 0.13 0.11 0.04 0.31 0.34 RAIN SHWRS C S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94102101 97 92 85 93101100 96 91 84 93100 99 MAX HEAT 94 102 100 90 93 101 99 90 93 100 DATE THU 08/28/25 FRI 08/29/25 SAT 08/30/25 SUN 08/31/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 87 77 87 77 87 TEMP 81 78 83 86 81 78 83 86 81 78 83 86 81 78 83 86 DEWPT 79 79 79 79 79 79 79 79 79 79 79 79 79 78 78 78 PWIND DIR E E E E E E E SE WIND CHAR GN GN GN GN GN GN LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 20 20 30 30 RAIN SHWRS C S S S C C C S S S S S C C C C TSTMS S S S S S S S S S S S S S S S S $$