Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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433 FOMY50 PGUM 200540 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 333 PM CHST SUN APR 20 2025 GUZ001-201800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 333 PM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 86 82 80 78 76 77 83 88 87 85 82 78 77 77 83 88 87 85 82 79 77 DEWPT 75 75 75 75 75 75 75 75 75 75 76 75 75 74 74 74 74 74 74 74 74 RH 70 79 85 91 97 94 77 66 68 72 82 91 94 90 74 63 65 70 77 85 90 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 10 9 8 6 6 8 10 10 10 9 8 6 6 9 11 11 11 10 9 8 6 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 QPF 12HR 0.04 0.13 0.18 0.08 0.02 RAIN SHWRS S S S S S C C C C C C C C S S S S S S S S HEAT INDEX 94 89 84 91 98 97 93 88 90 97 96 92 87 MAX HEAT 96 92 91 98 96 86 90 97 95 85 DATE 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 SUN 04/27/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 76 88 76 88 76 88 77 88 TEMP 83 88 82 77 83 87 82 77 83 87 82 77 83 87 82 78 83 87 DEWPT 74 74 75 75 75 74 74 75 75 74 76 76 75 75 76 75 75 75 PWIND DIR E E E E E E E E E WIND CHAR GN 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 SC SC POP 12HR 10 10 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 S S $$ MPZ001-201800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 333 PM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 87 77 TEMP 85 83 80 78 78 78 83 87 87 85 82 79 78 78 83 87 87 85 82 79 78 DEWPT 74 74 74 74 75 75 75 75 75 75 75 74 74 74 74 74 73 73 73 73 74 RH 70 74 82 88 91 91 77 68 68 72 79 85 88 88 74 65 63 67 74 82 88 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 12 11 11 10 9 11 12 12 12 11 10 10 9 11 13 13 12 11 11 10 10 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 10 QPF 12HR 0.03 0.12 0.23 0.07 0.01 RAIN SHWRS S S S S S C C C C C C C C S S S S S S S S HEAT INDEX 93 89 85 91 96 95 92 88 83 90 95 94 91 87 83 MAX HEAT 95 92 84 91 96 95 86 90 95 93 86 DATE 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 SUN 04/27/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 77 87 77 87 77 87 77 87 TEMP 83 86 82 78 83 86 82 78 83 86 82 78 83 86 82 77 83 86 DEWPT 74 74 75 75 75 74 74 74 74 75 75 75 75 75 75 75 75 75 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-201800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 333 PM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 89 76 89 76 TEMP 86 83 80 78 76 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 74 74 74 74 74 74 75 75 74 74 75 74 74 74 73 73 73 73 73 73 74 RH 68 74 82 88 94 90 74 64 63 70 79 85 90 90 70 59 61 67 74 82 90 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 11 9 8 8 9 10 11 11 11 10 9 8 8 9 10 11 11 10 9 8 8 CLOUDS SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 10 QPF 12HR 0.03 0.11 0.05 0.01 0.01 RAIN SHWRS S S S S S C C C C S S S S S S S S S S S S HEAT INDEX 95 90 84 91 98 97 94 88 90 97 96 92 87 MAX HEAT 96 93 91 98 96 86 90 97 95 85 DATE 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 SUN 04/27/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 89 76 89 76 88 76 89 TEMP 83 87 81 77 84 88 82 77 84 88 82 77 83 87 82 77 84 88 DEWPT 75 74 75 75 75 75 74 74 75 75 75 75 76 76 75 75 75 75 PWIND DIR E E E E E E E E E WIND CHAR GN 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 SC SC POP 12HR 20 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 S S $$ MPZ003-201800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 333 PM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 WED CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 89 76 89 76 TEMP 86 83 80 78 76 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 74 75 75 74 74 75 75 75 74 75 75 74 74 74 74 73 73 73 73 73 74 RH 68 77 85 88 94 94 74 64 63 72 79 85 90 90 72 59 61 67 74 82 90 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 11 9 8 6 6 9 11 11 10 9 9 8 8 9 11 11 10 10 9 8 8 CLOUDS SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 10 QPF 12HR 0.03 0.10 0.04 0.01 0.01 RAIN SHWRS S S S S S C C C C S S S S S S S S S S S S HEAT INDEX 95 90 85 91 98 97 94 88 90 97 96 92 87 MAX HEAT 96 93 91 98 96 86 90 97 95 85 DATE 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 SUN 04/27/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 89 76 89 76 88 76 89 TEMP 83 87 82 77 84 88 82 77 84 88 82 77 83 87 82 77 84 88 DEWPT 75 75 75 75 75 75 75 74 75 75 75 75 76 76 76 75 75 75 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$