Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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084 FOMY50 PGUM 160550 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 343 PM CHST WED JUL 16 2025 GUZ001-161800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 343 PM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 SAT 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 77 87 76 TEMP 87 85 82 80 78 79 84 88 87 85 82 79 77 78 83 86 86 84 81 78 77 DEWPT 75 76 76 76 77 77 77 77 76 77 78 77 77 77 77 77 77 77 78 77 77 RH 68 75 82 88 97 94 80 70 70 77 88 94100 97 82 75 75 80 91 97100 WIND DIR SE SE E E E SE SE E E SE SE SE SE E E E E E E E E WIND SPD 8 8 8 5 5 6 10 10 10 8 6 5 6 8 8 8 8 8 8 6 5 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.14 0.05 0.12 0.26 0.28 RAIN SHWRS C 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 S S S S S S S S S S S S S HEAT INDEX 96 94 90 85 93 99 98 95 90 91 98 97 94 89 MAX HEAT 98 96 88 93 99 97 88 91 98 96 86 DATE 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 WED 07/23/25 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 76 87 76 86 77 87 76 86 TEMP 82 86 81 77 83 86 81 77 82 86 81 77 83 86 81 76 82 86 DEWPT 77 77 77 76 76 77 77 77 77 77 76 76 77 77 77 76 77 76 PWIND DIR E SE S SE S S S S SW WIND CHAR GN LT LT LT GN GN GN LT LT 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 30 30 30 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C C S TSTMS S S S S S S S S S S S S S S S S S S $$ MPZ001-161800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 343 PM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 85 75 84 75 TEMP 85 83 81 78 77 77 81 85 84 82 80 77 76 76 80 83 83 81 79 77 76 DEWPT 75 76 76 76 75 76 76 76 76 77 77 76 76 76 76 76 77 77 77 77 76 RH 72 80 85 94 94 97 85 75 77 85 91 97100100 88 80 82 88 94100100 WIND DIR SE E E E SE SE SE E E E E E E E E E E E E E NE WIND SPD 11 10 9 8 8 10 12 12 12 11 11 10 10 10 12 12 12 11 11 10 9 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.16 0.05 0.19 0.22 0.21 RAIN SHWRS C C C C C S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 91 87 88 94 93 90 84 86 92 91 88 MAX HEAT 95 93 85 88 94 92 86 92 91 DATE 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 WED 07/23/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 83 75 84 75 84 75 83 74 84 TEMP 80 82 79 75 80 83 79 76 80 83 79 75 80 82 78 75 80 83 DEWPT 77 76 76 75 76 76 76 76 77 76 76 75 76 76 76 75 76 75 PWIND DIR E SE S SE SE S SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 40 30 30 30 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S $$ MPZ002-161800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 343 PM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 SAT 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 79 87 78 86 78 TEMP 87 85 83 81 79 80 84 87 86 84 82 80 79 79 83 86 86 84 82 80 78 DEWPT 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 78 78 77 77 RH 70 75 80 85 91 88 80 72 75 80 85 91 94 94 82 75 75 82 88 91 97 WIND DIR SE E E E E E E E E E E E E E E E E E E E E WIND SPD 10 9 9 8 8 9 10 11 10 10 9 8 8 9 9 10 10 10 9 9 10 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.19 0.09 0.14 0.19 0.26 RAIN SHWRS C 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 S S S S S S S S S S S S S HEAT INDEX 97 95 91 87 84 85 93 98 97 95 91 85 92 97 97 94 90 85 MAX HEAT 98 96 90 93 98 97 89 92 97 96 89 DATE 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 WED 07/23/25 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 87 78 86 78 86 78 86 TEMP 83 86 82 79 83 86 82 79 83 85 82 79 83 85 82 79 83 85 DEWPT 77 77 77 76 77 77 77 76 77 77 77 76 77 77 77 76 76 77 PWIND DIR E E SE SE SE S 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 30 30 30 30 30 30 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 $$ MPZ003-161800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 343 PM CHST WED JUL 16 2025 DATE WED 07/16/25 THU 07/17/25 FRI 07/18/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 89 77 87 77 TEMP 88 86 83 81 79 80 85 89 88 86 82 79 78 78 83 87 86 84 81 79 77 DEWPT 76 76 77 77 76 77 77 77 77 77 78 77 77 77 77 77 78 78 78 78 77 RH 68 72 82 88 91 91 77 68 70 75 88 94 97 97 82 72 77 82 91 97100 WIND DIR SE E E E E E E E E E E E SE E E E E E E E E WIND SPD 11 10 9 8 6 8 10 11 11 10 8 8 8 9 10 11 11 11 10 9 9 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 40 40 QPF 12HR 0.19 0.09 0.13 0.19 0.26 RAIN SHWRS C C C C C S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 98 96 92 87 85 95101100 97 91 84 92 99 98 95 90 MAX HEAT 100 98 90 95 101 99 89 92 99 97 88 DATE 07/19/25 SUN 07/20/25 MON 07/21/25 TUE 07/22/25 WED 07/23/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 78 88 78 88 77 88 77 88 TEMP 83 86 82 78 84 87 82 78 84 87 82 78 83 87 82 78 84 87 DEWPT 78 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 PWIND DIR E E SE SE SE SE SE SE S WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 40 40 30 30 30 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S $$