Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
701 FOMY50 PGUM 161710 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 305 AM CHST SAT MAY 17 2025 GUZ001-170600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 305 AM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 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 76 88 76 88 TEMP 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 79 77 77 83 88 87 DEWPT 75 75 75 74 74 75 75 75 75 74 74 74 74 74 75 74 74 74 74 74 74 RH 94 94 77 63 65 72 79 91 94 90 74 63 65 70 79 85 90 90 74 63 65 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 9 10 13 13 13 13 12 9 8 10 13 12 12 12 10 8 8 9 14 14 14 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.04 0.06 0.03 0.05 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 97 96 92 88 90 97 96 93 88 90 97 96 MAX HEAT 90 97 95 86 90 97 95 86 90 97 DATE TUE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 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 88 76 88 77 88 76 88 TEMP 82 77 83 87 82 77 84 88 82 78 84 87 82 77 83 87 DEWPT 75 75 75 75 75 75 75 75 76 75 75 75 75 75 75 75 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC 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 $$ MPZ001-170600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 305 AM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 77 87 77 87 TEMP 78 78 83 86 86 84 81 79 78 78 83 87 86 84 82 79 78 78 83 87 86 DEWPT 75 75 75 75 74 75 75 75 75 74 74 74 75 75 75 75 74 74 74 74 74 RH 91 91 77 70 68 74 82 88 91 88 74 65 70 74 79 88 88 88 74 65 68 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 13 17 17 16 14 14 13 13 13 16 16 14 14 14 14 13 14 16 16 16 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.04 0.06 0.05 0.04 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 89 95 94 91 87 90 96 95 92 88 83 89 95 94 MAX HEAT 89 95 93 86 90 96 94 86 89 95 DATE TUE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 87 77 87 78 87 TEMP 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-170600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 305 AM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 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 76 89 76 89 TEMP 77 77 83 88 87 85 82 78 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 75 75 75 74 74 74 75 75 74 74 74 74 74 74 75 75 74 74 74 74 74 RH 94 94 77 63 65 70 79 91 90 90 72 61 63 70 79 88 90 90 72 61 63 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 12 13 14 16 14 14 12 12 11 12 13 16 13 13 14 13 12 12 16 16 14 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.03 0.05 0.04 0.04 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 97 95 92 88 91 98 97 93 88 91 97 97 MAX HEAT 90 97 95 86 91 98 96 86 91 97 DATE TUE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 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 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 75 74 74 75 75 75 75 74 75 75 74 74 75 75 74 74 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC 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 $$ MPZ003-170600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 305 AM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 76 89 76 89 TEMP 77 77 83 88 87 85 82 78 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 75 75 75 75 74 75 75 74 74 74 74 74 74 74 75 75 74 74 74 74 74 RH 94 94 77 66 65 72 79 88 90 90 72 61 63 70 79 88 90 90 72 61 63 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 12 13 16 16 14 14 12 12 11 12 16 16 14 13 13 13 12 12 16 16 14 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.03 0.05 0.03 0.04 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 97 96 92 88 91 98 97 94 88 91 98 97 MAX HEAT 90 97 95 86 91 98 96 86 91 98 DATE TUE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 75 74 75 75 75 75 75 75 75 75 74 75 75 75 74 74 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$