Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
203 FOMY50 PGUM 171750 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 348 AM CHST FRI APR 18 2025 GUZ001-180600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 348 AM CHST FRI APR 18 2025 DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25 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 76 89 76 88 TEMP 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 77 83 88 87 DEWPT 76 75 75 76 76 76 76 76 76 75 75 75 75 76 76 76 76 75 75 75 75 RH 97 94 74 66 68 75 82 91 97 94 74 64 66 75 82 91 97 94 77 66 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 8 12 16 16 14 12 10 10 8 6 11 11 10 6 5 4 4 5 6 8 10 CLOUDS SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 10 10 10 QPF 12HR 0.01 0.02 0.02 0 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 92100 99 95 89 91 99 98 95 89 90 97 96 MAX HEAT 92 100 98 87 91 99 97 87 90 97 DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25 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 76 89 76 87 TEMP 82 77 83 87 82 77 83 87 82 77 83 88 82 77 83 86 DEWPT 76 76 76 76 76 75 75 75 75 75 75 75 76 76 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 10 10 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-180600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 348 AM CHST FRI APR 18 2025 DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 77 87 77 87 TEMP 78 78 83 87 87 85 82 79 78 78 83 87 87 85 82 79 78 78 83 87 87 DEWPT 76 75 76 76 76 76 76 76 75 75 75 75 76 76 76 76 75 75 75 75 75 RH 94 91 80 70 70 75 82 91 91 91 77 68 70 75 82 91 91 91 77 68 68 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 12 14 17 16 17 16 13 12 10 12 13 12 11 11 10 9 9 10 10 10 10 CLOUDS SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.03 0.01 0.03 0.04 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 98 96 93 89 83 91 97 96 93 89 83 90 96 95 MAX HEAT 92 98 96 87 91 97 96 87 90 96 DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 87 77 87 77 86 TEMP 82 78 83 87 82 78 83 87 82 78 83 86 82 78 83 86 DEWPT 75 76 76 75 75 75 75 75 75 75 75 75 75 75 75 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-180600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 348 AM CHST FRI APR 18 2025 DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25 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 76 89 76 89 TEMP 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 76 75 76 75 75 75 76 76 75 75 74 74 75 75 76 76 75 75 75 74 74 RH 97 94 77 64 66 72 82 91 94 94 72 61 66 72 82 91 94 94 74 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 13 16 17 17 16 16 14 12 10 13 13 13 11 11 10 8 8 9 9 10 9 CLOUDS SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.03 0.06 0.08 0.10 0.03 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 92 99 98 94 89 91 98 98 94 89 91 98 97 MAX HEAT 92 99 97 87 91 98 97 87 91 98 DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25 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 88 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 83 87 81 77 84 88 DEWPT 75 76 75 75 75 75 75 74 75 75 75 74 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 10 10 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-180600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 348 AM CHST FRI APR 18 2025 DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 89 76 89 76 89 TEMP 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 76 75 75 75 75 75 76 76 75 75 74 74 75 75 76 76 75 75 75 75 74 RH 97 94 74 64 66 72 82 91 94 94 72 61 66 72 82 91 94 94 74 64 63 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 16 18 17 16 14 13 12 10 12 14 13 11 10 9 8 8 8 9 9 9 CLOUDS SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.12 0.06 0.11 0.04 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 99 98 95 89 91 98 98 94 89 91 98 97 MAX HEAT 92 99 97 87 91 98 97 87 91 98 DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 89 76 89 76 88 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 83 87 82 77 84 88 DEWPT 75 75 75 75 75 75 75 74 75 75 75 74 75 75 75 75 PWIND DIR E E E E E E E E WIND CHAR GN GN LT GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$