Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
021 FOMY50 PGUM 150600 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 355 PM CHST TUE JUL 15 2025 GUZ001-151800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 355 PM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 FRI 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 78 88 77 TEMP 87 85 82 79 77 78 83 87 87 85 83 80 79 79 84 88 87 85 82 79 77 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 72 77 85 94100 97 82 72 72 77 82 91 94 94 80 70 72 77 85 94100 WIND DIR E SE SE SE SE E E E E E E E E E E SE SE SE SE SE SE WIND SPD 10 8 8 6 6 8 9 9 9 8 6 5 5 9 11 11 10 10 9 5 4 CLOUDS B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 30 40 QPF 12HR 0.18 0.12 0.13 0.09 0.21 RAIN SHWRS S S S C C C C C C C C C C S S S S 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 HEAT INDEX 98 95 90 84 92 98 97 95 91 87 84 94100 99 95 90 MAX HEAT 98 97 88 92 98 97 90 94 100 98 88 DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 76 86 77 86 76 86 76 86 TEMP 83 86 81 77 82 85 81 78 83 86 81 77 82 85 81 77 82 85 DEWPT 77 77 77 77 78 77 77 77 78 77 78 77 78 77 78 77 77 77 PWIND DIR E E E E E SE S S S 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 B2 POP 12HR 40 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 C C TSTMS S S S S S S S S S S S S S S S S S S $$ MPZ001-151800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 355 PM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 75 85 76 86 74 TEMP 85 83 80 77 76 76 81 85 84 82 80 78 77 77 82 86 85 83 80 76 75 DEWPT 76 76 76 76 76 76 76 76 76 76 77 77 76 76 77 77 76 77 77 76 75 RH 75 80 88 97100100 85 75 77 82 91 97 97 97 85 75 75 82 91100100 WIND DIR E E E SE SE SE SE E E E SE E E E E E SE SE SE SE E WIND SPD 12 12 12 10 9 11 12 12 11 11 11 10 9 11 13 13 13 12 12 11 11 CLOUDS B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 30 40 QPF 12HR 0.23 0.17 0.16 0.09 0.25 RAIN SHWRS S S S C C C C C C C C C C S S S S C C C C TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 95 91 86 87 94 93 90 86 90 96 95 91 84 MAX HEAT 96 94 83 87 94 93 84 90 96 94 DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 84 74 83 75 85 75 83 75 83 TEMP 80 83 79 75 79 82 79 75 81 84 80 76 80 82 79 75 80 82 DEWPT 76 76 77 75 77 77 77 75 77 77 77 76 77 76 77 75 76 76 PWIND DIR E E E E E SE SE S S WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 POP 12HR 40 40 40 40 30 40 40 40 40 RAIN SHWRS C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S $$ MPZ002-151800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 355 PM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 FRI 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 79 87 77 TEMP 87 85 82 80 78 79 83 86 86 85 83 81 80 80 84 87 86 84 82 79 78 DEWPT 76 77 77 77 76 76 77 77 77 77 77 77 76 77 77 77 77 77 77 77 76 RH 70 77 85 91 94 91 82 75 75 77 82 88 88 91 80 72 75 80 85 94 94 WIND DIR E E E E SE SE SE E E E E E E E E E E E SE E E WIND SPD 11 10 10 9 10 11 12 12 11 11 10 9 9 10 11 11 11 11 11 10 10 CLOUDS B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 30 40 QPF 12HR 0.22 0.19 0.16 0.08 0.26 RAIN SHWRS S S S C C C C C C C C C C S S S S C C C C TSTMS S S S S S S S S S S S S S S S S HEAT INDEX 98 95 91 85 92 98 97 95 91 88 85 86 94 99 98 94 90 84 MAX HEAT 99 98 89 92 98 96 90 94 99 97 88 DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 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 86 78 86 79 86 78 86 78 86 TEMP 82 85 81 78 83 85 82 79 83 86 82 79 83 85 82 79 83 85 DEWPT 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 PWIND DIR E E E E E SE SE SE S 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 40 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 C C TSTMS S S S S S S S S S S S S S S S S S S $$ MPZ003-151800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 355 PM CHST TUE JUL 15 2025 DATE TUE 07/15/25 WED 07/16/25 THU 07/17/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 89 79 89 76 TEMP 87 85 82 79 78 78 84 88 88 86 83 81 79 80 85 88 88 85 82 79 77 DEWPT 77 77 77 77 77 77 77 77 77 77 78 77 77 77 78 77 77 77 78 77 77 RH 72 77 85 94 97 97 80 70 70 75 85 88 94 91 80 70 70 77 88 94100 WIND DIR E E E SE SE SE E E E E E E E E SE E E E SE E E WIND SPD 12 11 10 9 9 11 12 13 12 11 10 9 9 10 12 12 12 11 10 9 9 CLOUDS B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 30 30 30 30 40 QPF 12HR 0.18 0.16 0.15 0.08 0.27 RAIN SHWRS S S S C C C C C C C C C C S S S S C C C C TSTMS S S S S S S S S S S S S S S S S HEAT INDEX 99 96 90 84 94101100 97 93 88 85 95101100 96 90 MAX HEAT 100 98 89 94 101 100 91 95 101 99 88 DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 77 88 78 88 78 88 78 87 TEMP 83 87 82 77 84 87 83 78 84 87 82 78 84 87 82 78 83 86 DEWPT 78 78 78 77 78 77 78 77 78 78 78 77 78 77 78 77 78 77 PWIND DIR E E E E E SE SE SE S WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 30 40 40 30 30 30 30 40 RAIN SHWRS C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S $$