Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
895 FOMY50 PGUM 191620 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 215 AM CHST SUN JUL 20 2025 GUZ001-200600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 215 AM CHST SUN JUL 20 2025 DATE SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 77 87 TEMP 71 77 83 87 86 84 81 79 77 77 82 86 86 84 81 79 77 78 83 87 86 DEWPT 71 77 78 78 78 78 78 78 77 77 78 78 78 78 78 78 77 78 78 78 78 RH 100100 85 75 77 82 91 97100100 88 77 77 82 91 97100100 85 75 77 WIND DIR SE SE SE E E E SE S S S S SE SE SE SE SE S S SE S SE WIND SPD 4 4 6 3 4 4 4 4 4 5 8 9 9 8 8 6 5 6 8 6 4 CLOUDS B1 OV OV OV OV B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 60 60 30 30 30 QPF 12HR 0.34 0.15 0.24 0.10 0.19 RAIN SHWRS C L L L L C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 99 98 95 90 91 98 98 94 90 92 99 98 MAX HEAT 92 99 97 88 91 98 97 88 92 99 DATE WED 07/23/25 THU 07/24/25 FRI 07/25/25 SAT 07/26/25 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 86 76 86 76 85 76 85 TEMP 81 76 82 86 81 76 82 86 81 76 81 84 80 76 81 84 DEWPT 78 76 78 78 78 76 78 78 78 76 78 78 78 76 78 78 PWIND DIR SE SE NW W W W SW SW WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 30 30 30 30 RAIN SHWRS 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 $$ MPZ001-200600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 215 AM CHST SUN JUL 20 2025 DATE SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 75 84 75 83 TEMP 69 76 81 85 84 82 80 77 76 76 80 84 83 81 79 77 75 76 80 83 83 DEWPT 69 76 78 78 78 78 78 77 76 76 78 78 78 78 78 77 75 76 78 78 78 RH 100100 91 80 82 88 94100100100 94 82 85 91 97100100100 94 85 85 WIND DIR E E E E E E SE SE S S SE S SE SE SE SE SE SE SE SE SE WIND SPD 5 8 6 6 5 4 5 5 4 6 9 9 9 9 9 5 5 5 6 6 4 CLOUDS B1 OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 50 50 40 30 30 QPF 12HR 0.28 0.22 0.33 0.18 0.15 RAIN SHWRS C C C C C C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 89 96 95 92 85 88 94 93 90 85 93 92 MAX HEAT 89 96 94 88 94 92 85 93 DATE WED 07/23/25 THU 07/24/25 FRI 07/25/25 SAT 07/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 75 84 75 84 75 83 75 83 TEMP 79 75 80 83 79 76 80 83 79 76 80 82 79 75 80 83 DEWPT 78 75 78 78 78 76 78 78 78 76 78 78 78 75 78 78 PWIND DIR SE SE E W W W SW SW WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 40 40 40 30 RAIN SHWRS S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-200600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 215 AM CHST SUN JUL 20 2025 DATE SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 78 86 78 86 TEMP 72 79 83 86 86 84 82 80 79 79 83 86 85 84 82 80 79 79 83 86 85 DEWPT 72 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 100 97 85 77 77 82 88 94 97 97 85 77 80 82 88 94 97 97 85 77 80 WIND DIR E E E SE SE E SE SE S S S SE SE SE SE SE SE SE SE SE SE WIND SPD 8 8 8 6 4 4 5 5 5 6 9 9 9 9 9 6 5 5 8 6 5 CLOUDS B2 OV OV OV OV B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 60 60 30 30 30 QPF 12HR 0.54 0.22 0.20 0.23 0.12 RAIN SHWRS C L L L L C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 93 98 98 95 91 88 84 93 98 97 94 91 88 84 93 98 97 MAX HEAT 93 98 97 90 93 98 96 90 93 98 DATE WED 07/23/25 THU 07/24/25 FRI 07/25/25 SAT 07/26/25 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 86 78 86 78 84 78 84 TEMP 82 79 83 85 82 79 83 85 82 79 82 84 81 79 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE SE NE SE W W W SW WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 POP 12HR 20 30 30 30 40 40 40 30 RAIN SHWRS S S C C C C C S 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 $$ MPZ003-200600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 215 AM CHST SUN JUL 20 2025 DATE SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 77 88 TEMP 72 79 84 88 87 85 82 80 78 79 84 88 87 85 82 80 78 78 83 87 87 DEWPT 72 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 100 97 82 72 75 80 88 94100 97 82 72 75 80 88 94100100 85 75 75 WIND DIR E E SE SE SE E SE SE S SE S SE SE SE SE SE SE SE SE SE SE WIND SPD 8 6 8 6 5 4 5 5 4 6 9 9 9 9 9 6 5 6 8 6 5 CLOUDS B2 OV OV OV OV B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 60 60 30 30 30 QPF 12HR 0.57 0.21 0.21 0.25 0.12 RAIN SHWRS C L L L L C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94100 99 96 92 86 94101100 97 92 85 94101 99 MAX HEAT 94 100 99 90 94 101 99 90 94 101 DATE WED 07/23/25 THU 07/24/25 FRI 07/25/25 SAT 07/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 88 77 88 77 84 77 84 TEMP 82 78 84 87 82 78 84 87 82 78 82 84 81 78 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE E E E SW W W SW WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 POP 12HR 20 30 30 20 40 40 40 40 RAIN SHWRS S S C C C S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$