Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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579 FOMY50 PGUM 141720 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 319 AM CHST TUE JUL 15 2025 GUZ001-150600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 319 AM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 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 79 88 TEMP 77 78 83 87 87 85 82 80 79 79 84 88 87 85 83 81 79 79 84 87 87 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 100 97 82 72 72 77 85 91 94 94 80 70 72 77 82 88 94 94 80 72 72 WIND DIR SE SE SE SE SE SE SE E E E SE E E E E E E E E E E WIND SPD 9 10 12 11 11 10 9 9 9 9 10 11 11 8 8 6 5 9 12 12 12 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 30 30 QPF 12HR 0.19 0.14 0.11 0.13 0.12 RAIN SHWRS C S S S S C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 92 99 98 95 91 87 84 94 99 98 96 92 88 84 94 99 98 MAX HEAT 92 99 97 90 94 99 98 90 94 99 DATE FRI 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 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 76 86 77 87 76 86 TEMP 82 77 82 86 81 77 82 85 81 77 83 86 81 77 82 85 DEWPT 77 77 77 77 77 77 78 77 77 77 78 77 78 77 78 77 PWIND DIR E E E E E E SE SE 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 40 40 40 30 30 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 $$ MPZ001-150600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 319 AM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 78 85 76 86 TEMP 77 78 83 86 86 84 82 79 78 78 82 85 84 82 80 78 77 77 82 86 85 DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 77 76 76 77 77 76 RH 97 94 80 72 72 77 82 91 94 94 82 75 77 82 91 97 97 97 85 75 75 WIND DIR SE SE SE SE SE SE E E E E E E E E E E E E E E E WIND SPD 10 11 13 12 12 12 11 11 11 11 12 12 12 12 12 11 10 11 13 13 13 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 30 30 30 30 30 QPF 12HR 0.16 0.15 0.12 0.13 0.11 RAIN SHWRS C S S S S C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 90 96 95 93 89 84 89 94 93 90 86 90 96 95 MAX HEAT 90 96 95 87 89 94 93 84 90 96 DATE FRI 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 75 85 76 84 75 85 75 85 TEMP 80 76 81 84 80 77 81 83 79 76 81 84 80 76 81 84 DEWPT 77 76 76 76 77 77 77 77 77 76 77 77 77 76 77 76 PWIND DIR E E E E E E SE SE WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 40 40 40 40 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-150600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 319 AM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 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 80 87 79 86 TEMP 79 79 84 88 87 86 84 81 80 80 84 87 87 85 83 81 80 80 83 86 86 DEWPT 76 76 77 77 76 77 77 77 76 76 77 77 77 77 77 77 76 77 77 77 77 RH 91 91 80 70 70 75 80 88 88 88 80 72 72 77 82 88 88 91 82 75 75 WIND DIR SE SE SE SE E E E E E E E E E E E E E E E E E WIND SPD 11 12 13 12 12 11 11 11 11 11 13 13 12 11 11 10 9 11 12 13 12 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 30 30 30 30 30 QPF 12HR 0.14 0.17 0.12 0.15 0.12 RAIN SHWRS C S S S S C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 84 94100 98 96 93 89 86 87 94 99 98 95 92 88 85 86 93 97 96 MAX HEAT 94 100 98 91 94 99 97 90 93 97 DATE FRI 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 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 77 86 78 86 77 86 TEMP 82 78 83 85 81 78 82 85 82 79 83 86 81 78 82 85 DEWPT 77 76 77 77 77 77 77 77 77 77 77 77 77 77 77 77 PWIND DIR E E E E E E SE SE 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 30 30 40 40 30 30 30 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 $$ MPZ003-150600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 319 AM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 89 78 88 TEMP 78 79 84 88 88 86 83 81 80 80 85 88 88 86 83 80 78 79 84 88 88 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 77 78 77 77 77 78 77 77 RH 97 94 80 70 70 75 82 88 91 91 77 70 70 75 85 91 97 94 82 70 70 WIND DIR SE SE SE SE SE E E E E E E E E E E E E E E E E WIND SPD 11 11 13 12 12 11 11 11 11 12 13 13 12 11 10 9 9 11 13 13 12 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 30 30 30 30 30 QPF 12HR 0.13 0.17 0.12 0.15 0.11 RAIN SHWRS C S S S S C C C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 94100 99 97 93 89 85 87 96101100 97 92 87 95101100 MAX HEAT 94 100 99 91 96 101 99 90 95 101 DATE FRI 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 88 77 86 78 87 76 88 TEMP 82 78 83 87 82 77 82 85 81 78 83 86 81 77 83 87 DEWPT 78 77 78 78 78 77 78 77 78 77 78 78 78 77 78 77 PWIND DIR E E E E E E SE SE WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 40 40 40 40 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$