Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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306 FOMY50 PGUM 081800 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 350 AM CHST SAT AUG 9 2025 GUZ001-090600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 350 AM CHST SAT AUG 9 2025 DATE SAT 08/09/25 SUN 08/10/25 MON 08/11/25 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 88 TEMP 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 DEWPT 78 78 77 78 78 78 78 78 78 78 78 78 77 78 78 78 78 78 78 78 77 RH 100100 80 72 75 80 88 97100100 82 72 72 80 88 97100100 82 72 72 WIND DIR E E E E E E E E NE E E E E E E E E E E SE SE WIND SPD 1 4 6 8 8 8 8 8 6 9 10 10 9 8 8 5 4 5 6 5 4 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.04 0.07 0.11 0.09 0.13 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S S S S S HEAT INDEX 93100100 96 92 84 94100 99 96 91 84 94100 99 MAX HEAT 93 101 99 90 94 100 98 89 94 100 DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25 FRI 08/15/25 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 79 88 TEMP 82 78 84 87 82 78 84 87 82 77 84 87 83 79 84 87 DEWPT 78 78 78 78 78 78 78 78 78 77 77 77 77 77 76 76 PWIND DIR SE SE SE E E SE E E WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S 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 $$ MPZ001-090600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 350 AM CHST SAT AUG 9 2025 DATE SAT 08/09/25 SUN 08/10/25 MON 08/11/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 76 87 76 87 TEMP 77 77 83 87 86 84 81 78 77 77 83 87 86 84 81 78 77 77 83 87 86 DEWPT 77 77 78 78 78 78 78 78 77 77 78 78 78 78 78 78 77 77 78 78 78 RH 100100 85 75 77 82 91100100100 85 75 77 82 91100100100 85 75 77 WIND DIR E E E E E E E E E E E E E E E E E E E SE SE WIND SPD 2 4 6 6 8 9 9 9 8 10 11 11 10 9 8 6 5 5 6 5 4 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.11 0.11 0.10 0.13 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S HEAT INDEX 91 99 98 95 90 92 99 98 94 89 92 99 98 MAX HEAT 91 99 97 88 92 99 97 88 92 99 DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25 FRI 08/15/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 87 76 87 78 87 80 87 TEMP 81 77 83 86 81 77 83 86 82 78 83 86 83 80 84 86 DEWPT 78 77 78 78 78 77 78 78 79 78 78 78 78 78 76 76 PWIND DIR SE SE SE E E SE E E WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S $$ MPZ002-090600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 350 AM CHST SAT AUG 9 2025 DATE SAT 08/09/25 SUN 08/10/25 MON 08/11/25 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 79 88 79 88 TEMP 79 80 84 87 87 85 83 81 80 80 84 87 87 85 83 81 80 80 84 87 87 DEWPT 78 78 78 78 78 78 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 97 94 82 75 75 80 88 91 94 94 82 75 75 80 85 91 94 94 82 75 75 WIND DIR E E E E E E E E NE E E E E E E E E E E E SE WIND SPD 1 4 6 8 8 9 9 9 8 9 10 11 10 9 8 6 5 6 8 6 5 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.02 0.04 0.08 0.07 0.14 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S HEAT INDEX 84 86 95100100 97 93 89 85 86 95100 99 97 93 89 85 86 95100 99 MAX HEAT 85 95 100 99 92 95 100 99 92 95 100 DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25 FRI 08/15/25 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 79 88 79 88 76 88 78 88 TEMP 83 80 84 87 83 80 84 87 81 77 83 87 83 79 84 87 DEWPT 78 77 77 78 78 78 78 78 78 77 76 76 76 76 76 76 PWIND DIR SE SE SE E E SE E E WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S 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 $$ MPZ003-090600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 350 AM CHST SAT AUG 9 2025 DATE SAT 08/09/25 SUN 08/10/25 MON 08/11/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 88 79 88 TEMP 79 80 84 88 87 85 83 80 79 80 84 88 87 85 83 80 79 80 84 88 87 DEWPT 78 78 78 78 78 78 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 97 94 82 72 75 80 88 94 97 94 82 72 75 80 85 94 97 94 82 72 75 WIND DIR N NE E E E E E E E E E E E E E E E E E E E WIND SPD 2 4 6 8 8 9 9 9 8 9 10 10 10 9 8 6 5 6 8 6 5 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.01 0.04 0.11 0.07 0.14 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S HEAT INDEX 85 95101100 97 93 88 85 95101100 97 93 88 85 95100100 MAX HEAT 84 95 101 99 91 95 101 99 91 95 100 DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25 FRI 08/15/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 88 79 88 76 88 78 88 TEMP 83 79 84 87 83 79 84 87 81 77 83 87 83 79 84 87 DEWPT 78 78 78 78 78 78 78 78 78 77 76 76 76 76 77 77 PWIND DIR E SE SE E E SE E E WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S $$