Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
190 FOMY50 PGUM 040620 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 411 PM CHST TUE NOV 4 2025 GUZ001-041800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 411 PM CHST TUE NOV 4 2025 DATE TUE 11/04/25 WED 11/05/25 THU 11/06/25 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 86 76 86 77 TEMP 84 81 79 77 78 82 86 85 83 81 78 77 77 82 86 85 83 81 79 77 DEWPT 78 79 78 77 78 78 78 78 78 79 78 77 77 79 79 79 79 79 79 77 RH 82 94 97100100 88 77 80 85 94100100100 91 80 82 88 94100100 WIND DIR E E E NE E E E E E E E E SE SE SE SE SE SE SE SE WIND SPD 14 11 10 10 12 18 19 24 24 23 24 18 21 26 26 21 20 18 14 13 CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV POP 12HR 30 50 80 90 90 QPF 12HR 0.26 0.56 1.14 1.38 0.97 RAIN SHWRS C C C C C C C C O O O O O O O O L L L L TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 96 91 92 98 97 94 89 92 99 98 95 91 MAX HEAT 99 98 89 92 98 96 86 92 99 97 89 FLOOD A A A A A A A A A A A A A A A A A HIGH SURF Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y DATE 11/07/25 SAT 11/08/25 SUN 11/09/25 MON 11/10/25 TUE 11/11/25 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 77 86 76 87 76 87 76 87 TEMP 83 86 82 77 83 85 81 77 82 86 81 77 82 86 81 77 82 86 DEWPT 79 79 79 77 79 79 79 77 78 78 78 77 78 78 77 77 76 76 PWIND DIR SE S S S S SE SE E E WIND CHAR BZ BZ GN GN GN LT LT LT LT AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 60 50 30 30 30 30 30 30 30 RAIN SHWRS L C C C C C C C C C C C C C C S C C TSTMS S S S S S S S S S S S S S S S $$ MPZ001-041800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 411 PM CHST TUE NOV 4 2025 DATE TUE 11/04/25 WED 11/05/25 THU 11/06/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 86 76 86 76 TEMP 83 81 78 77 77 82 86 85 83 81 78 77 77 82 86 85 83 81 78 77 DEWPT 79 79 78 77 77 78 78 78 79 79 78 77 77 79 79 79 79 79 78 77 RH 88 94100100100 88 77 80 88 94100100100 91 80 82 88 94100100 WIND DIR E E E E E E E E E E E E SE SE SE SE SE SE SE SE WIND SPD 17 13 11 11 13 17 18 21 21 20 19 18 20 26 27 23 25 20 17 14 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV B2 B2 B2 B2 POP 12HR 30 40 90 90 90 QPF 12HR 0.19 0.41 1.26 1.39 0.92 RAIN SHWRS C C C C C C C C O O O O O O O O L L L L TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 89 91 98 97 94 89 92 99 98 94 89 MAX HEAT 97 96 86 91 98 96 86 92 99 97 86 FLOOD A A A A A A A A A A A A A A A A A HIGH SURF Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y DATE 11/07/25 SAT 11/08/25 SUN 11/09/25 MON 11/10/25 TUE 11/11/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 76 86 76 86 76 86 76 86 TEMP 82 85 81 77 82 85 81 77 82 85 81 77 82 85 81 77 82 85 DEWPT 79 79 79 77 79 79 79 77 79 78 78 77 78 78 77 77 76 76 PWIND DIR SE S S SE S SE SE E E WIND CHAR BZ BZ GN GN GN GN LT LT LT AVG CLOUDS B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 60 40 30 30 30 30 30 20 20 RAIN SHWRS L C C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S S S S S S S $$ MPZ002-041800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 411 PM CHST TUE NOV 4 2025 DATE TUE 11/04/25 WED 11/05/25 THU 11/06/25 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 86 78 86 78 TEMP 85 82 80 79 79 83 86 85 84 82 80 78 79 83 86 85 84 82 80 78 DEWPT 78 79 78 78 78 78 78 78 78 79 79 78 79 79 79 79 79 79 79 78 RH 80 91 94 97 97 85 77 80 82 91 97100100 88 80 82 85 91 97100 WIND DIR E E E E E E E SE E E E SE SE SE SE SE SE SE SE SE WIND SPD 16 13 11 11 12 14 16 18 18 18 13 16 18 23 24 24 24 18 17 14 CLOUDS B1 B1 B1 B1 SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 20 40 50 50 QPF 12HR 0.14 0.08 0.44 0.58 0.60 RAIN SHWRS S S S S 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 HEAT INDEX 96 92 86 93 98 97 95 91 86 93 99 98 96 92 86 MAX HEAT 99 99 91 93 98 97 90 93 99 98 90 HIGH SURF Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y DATE 11/07/25 SAT 11/08/25 SUN 11/09/25 MON 11/10/25 TUE 11/11/25 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 86 78 86 78 86 TEMP 83 86 82 79 83 86 82 79 83 85 82 78 83 85 82 78 83 85 DEWPT 79 79 80 79 79 79 79 79 78 78 78 78 78 77 77 77 76 76 PWIND DIR SE S S SE SE SE SE E E WIND CHAR BZ BZ BZ GN GN GN GN LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 POP 12HR 50 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 S S S S S S S S $$ MPZ003-041800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 411 PM CHST TUE NOV 4 2025 DATE TUE 11/04/25 WED 11/05/25 THU 11/06/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 77 88 77 TEMP 85 82 80 78 78 83 87 87 85 82 79 77 78 83 87 87 85 82 79 77 DEWPT 78 79 78 78 78 78 78 78 78 79 79 77 78 79 79 79 79 79 79 77 RH 80 91 94100100 85 75 75 80 91100100100 88 77 77 82 91100100 WIND DIR E E E E E E E SE E E E SE SE SE SE SE SE SE SE SE WIND SPD 16 13 11 11 12 14 16 17 17 17 13 14 17 21 23 24 23 19 17 14 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 20 30 50 50 QPF 12HR 0.15 0.12 0.30 0.64 0.57 RAIN SHWRS S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 97 92 85 94100100 96 91 94101101 97 92 MAX HEAT 100 100 90 94 100 99 89 94 101 100 90 HIGH SURF Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y DATE 11/07/25 SAT 11/08/25 SUN 11/09/25 MON 11/10/25 TUE 11/11/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 77 87 77 87 77 87 TEMP 83 87 82 78 84 87 82 77 83 87 82 77 83 87 82 77 83 87 DEWPT 79 79 80 78 79 79 79 77 79 78 78 77 78 78 77 77 76 76 PWIND DIR SE S S SE SE SE SE E E WIND CHAR BZ BZ BZ GN GN GN GN LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 POP 12HR 40 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C C C S S S S S S S TSTMS S S S S S S S S S S S S S $$