Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
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763 FOMY50 PGUM 151730 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 325 AM CHST WED JUL 16 2025 GUZ001-160600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 325 AM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 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 78 88 77 87 TEMP 78 78 83 87 87 85 82 80 78 79 84 88 87 85 82 79 77 78 83 86 86 DEWPT 77 77 76 76 76 77 77 77 77 77 77 77 77 77 78 78 77 77 77 77 77 RH 97 97 80 70 70 77 85 91 97 94 80 70 72 77 88 97100 97 82 75 75 WIND DIR SE E E E E E E E E E E SE SE SE SE SE SE E E E E WIND SPD 8 8 10 9 10 9 8 6 6 9 11 11 10 10 9 5 4 8 12 13 13 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.13 0.13 0.08 0.21 0.27 RAIN SHWRS C C C C C C C C C S S S S C C C C C C C C TSTMS 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 98 95 90 85 93100 99 95 90 92 98 97 MAX HEAT 92 98 97 89 93 100 98 89 92 98 DATE SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 86 77 86 76 86 76 86 TEMP 81 77 82 85 81 78 83 86 81 77 82 85 81 77 82 85 DEWPT 78 77 78 78 78 78 78 78 78 77 78 78 78 77 78 78 PWIND DIR E E E E SE S S S WIND CHAR 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 B2 POP 12HR 40 40 40 40 40 40 40 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ001-160600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 325 AM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 77 86 74 84 TEMP 77 78 82 86 85 83 81 79 78 78 82 86 85 83 80 76 75 75 80 84 83 DEWPT 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 76 75 75 77 77 77 RH 97 94 82 72 75 80 88 94 97 97 85 75 77 82 91100100100 91 80 82 WIND DIR SE E E E E E E E E E E E SE SE SE SE E E E E E WIND SPD 10 11 12 12 11 11 10 9 9 11 13 13 13 12 12 11 11 12 14 14 14 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.19 0.16 0.08 0.25 0.26 RAIN SHWRS C C C C C C C C C S S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 96 95 92 88 91 96 95 91 85 85 93 92 MAX HEAT 90 96 94 87 91 96 94 85 93 DATE SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 74 83 75 85 75 83 75 83 TEMP 79 75 79 82 79 75 81 84 80 76 80 82 79 75 80 82 DEWPT 77 75 77 77 78 75 77 77 78 76 77 77 78 75 77 77 PWIND DIR E E E E SE SE S S WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 POP 12HR 40 40 40 30 40 40 40 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-160600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 325 AM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 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 79 87 77 86 TEMP 79 80 84 87 87 85 83 81 80 80 84 87 86 84 82 79 78 78 82 86 85 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 94 91 80 72 72 77 82 88 91 91 80 72 75 80 85 94 97 97 85 75 77 WIND DIR E E E E E E E E E E E E E E SE E E E E E E WIND SPD 11 12 13 13 12 12 11 10 9 10 11 11 11 11 11 10 10 11 12 12 13 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.21 0.19 0.09 0.26 0.19 RAIN SHWRS C C C C C C C C C S S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 84 85 93 99 98 96 92 88 84 86 94 99 98 95 90 84 91 97 96 MAX HEAT 85 93 99 97 90 94 99 97 89 91 97 DATE SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 78 86 79 86 78 86 78 86 TEMP 81 78 83 85 82 79 83 86 82 79 83 85 82 79 83 85 DEWPT 78 77 78 78 78 77 78 78 78 77 78 78 78 77 78 78 PWIND DIR E E E E SE SE SE S WIND CHAR 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 POP 12HR 40 40 40 30 30 30 30 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ003-160600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 325 AM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 89 76 88 TEMP 79 79 84 88 88 86 83 81 79 80 85 88 88 85 82 79 77 77 83 88 87 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78 77 77 78 78 78 RH 94 94 80 70 70 75 82 88 94 91 77 70 70 80 88 97100100 85 72 75 WIND DIR E E E E E E E E E E SE E E E SE E E E E E E WIND SPD 12 12 14 13 12 12 11 9 8 10 12 12 12 11 10 9 9 11 12 13 13 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.23 0.21 0.08 0.27 0.19 RAIN SHWRS C C C C C C C C C S S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 84 95101100 97 92 88 85 95101100 96 91 93100100 MAX HEAT 84 95 101 99 91 95 101 99 88 93 100 DATE SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 88 78 88 78 88 78 87 TEMP 82 77 84 87 83 78 84 87 82 78 84 87 82 78 83 86 DEWPT 78 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR E E E E SE SE SE S WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 40 40 30 30 30 30 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$