Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
1
2
887 FOMY50 PGUM 060800 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 556 PM CHST SAT SEP 6 2025 GUZ001-061800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 556 PM CHST SAT SEP 6 2025 DATE SAT 09/06/25 SUN 09/07/25 MON 09/08/25 TUE 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 78 88 78 88 78 TEMP 83 81 79 78 79 84 88 87 85 82 80 78 79 84 88 87 85 82 80 78 DEWPT 77 77 77 77 77 77 77 77 77 78 78 77 78 78 78 78 78 78 78 78 RH 82 88 94 97 94 80 70 72 77 88 94 97 97 82 72 75 80 88 94100 WIND DIR E S NE E N E E E E E E E E E E E E E E E WIND SPD 2 1 2 1 2 2 2 5 5 5 4 5 5 6 6 6 8 6 5 4 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 30 30 30 QPF 12HR 0.19 0.05 0.10 0.05 0.23 RAIN SHWRS C C C C 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 HEAT INDEX 92 88 84 94100 99 96 91 86 94101100 97 92 86 MAX HEAT 97 87 94 100 98 90 94 101 99 91 DATE 09/09/25 WED 09/10/25 THU 09/11/25 FRI 09/12/25 SAT 09/13/25 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 78 87 78 87 78 87 78 87 TEMP 84 87 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 78 78 79 78 78 78 79 78 79 78 79 78 78 78 79 78 78 78 PWIND DIR E E E E E E E E E WIND CHAR LT GN GN GN GN GN GN GN LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C C C S S S S S S S TSTMS S S S S S S S $$ MPZ001-061800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 556 PM CHST SAT SEP 6 2025 DATE SAT 09/06/25 SUN 09/07/25 MON 09/08/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 88 78 88 78 TEMP 83 81 79 78 79 84 88 87 85 83 80 78 79 84 88 87 85 82 80 78 DEWPT 77 78 78 77 77 77 78 77 77 78 78 78 78 78 78 78 78 78 78 78 RH 82 91 97 97 94 80 72 72 77 85 94100 97 82 72 75 80 88 94100 WIND DIR E E E SE E E E E E E E E E E E E E E E E WIND SPD 4 2 3 3 2 4 5 6 8 8 6 6 6 9 8 8 9 9 6 6 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 30 30 30 QPF 12HR 0.21 0.08 0.19 0.08 0.12 RAIN SHWRS C C C C S S S S C C C C C C C C C C C C TSTMS S S S S HEAT INDEX 93 89 84 94100 99 96 92 87 95101100 97 92 86 MAX HEAT 98 88 94 100 99 90 95 101 99 91 DATE 09/09/25 WED 09/10/25 THU 09/11/25 FRI 09/12/25 SAT 09/13/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 78 87 78 87 78 87 78 87 TEMP 84 87 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 78 78 79 78 79 79 79 78 79 79 79 78 79 79 79 78 78 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C C C S S S S S S S TSTMS S S S $$ MPZ002-061800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 556 PM CHST SAT SEP 6 2025 DATE SAT 09/06/25 SUN 09/07/25 MON 09/08/25 TUE 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 78 87 78 87 78 TEMP 83 81 79 78 79 84 87 87 85 82 80 78 79 84 87 87 85 82 80 78 DEWPT 77 78 78 77 77 77 77 77 77 78 78 77 78 78 78 78 78 78 78 78 RH 82 91 97 97 94 80 72 72 77 88 94 97 97 82 75 75 80 88 94100 WIND DIR E E E E SE SE E E E E E E E E E E E E E E WIND SPD 8 8 6 4 5 6 8 9 10 9 8 8 6 9 6 8 9 9 6 5 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 30 30 30 QPF 12HR 0.20 0.10 0.12 0.04 0.11 RAIN SHWRS C C C C S S S S C C C C C C C C C C C C TSTMS HEAT INDEX 93 89 84 93 99 98 95 91 86 94100 99 96 92 86 MAX HEAT 98 88 93 99 98 90 94 100 98 90 DATE 09/09/25 WED 09/10/25 THU 09/11/25 FRI 09/12/25 SAT 09/13/25 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 78 87 78 87 78 87 78 87 TEMP 83 86 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 78 78 79 78 79 79 79 78 79 78 79 78 79 78 79 78 78 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C C C S S S S S S S TSTMS S S S S S $$ MPZ003-061800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 556 PM CHST SAT SEP 6 2025 DATE SAT 09/06/25 SUN 09/07/25 MON 09/08/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 87 78 87 78 TEMP 83 81 79 78 79 83 87 86 85 82 80 78 79 84 87 87 85 82 80 78 DEWPT 78 78 78 77 78 78 78 77 78 78 78 77 78 78 78 78 78 78 78 78 RH 85 91 97 97 97 85 75 75 80 88 94 97 97 82 75 75 80 88 94100 WIND DIR E E E E SE E E E E E E E E E E E E E E E WIND SPD 8 8 5 4 5 6 9 9 9 10 8 6 6 9 6 6 9 9 6 5 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 30 30 30 QPF 12HR 0.17 0.08 0.11 0.04 0.10 RAIN SHWRS C C C C S S S S C C C C C C C C C C C C HEAT INDEX 93 89 84 93 99 98 95 91 86 94 99 99 96 92 86 MAX HEAT 98 88 93 99 97 90 94 99 98 90 DATE 09/09/25 WED 09/10/25 THU 09/11/25 FRI 09/12/25 SAT 09/13/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 78 87 78 87 78 87 78 87 TEMP 83 86 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 78 78 79 78 79 79 79 78 79 79 79 78 79 78 79 78 78 78 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C C C S S S S S S S TSTMS S S S $$