20 (火)	08:10	02:03	20:34	14:23
	363cm	54cm	365cm	32cm
大潮 出 05:44 入 18:52 出 18:21 入 04:52 潮干狩り ◎ 12:47～15:57

加賀島／八代（熊本）2027年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	127.7	↓-11.3
4/20 00:10	116.9	↓-10.8
4/20 00:20	106.8	↓-10.1
4/20 00:30	97.3	↓-9.5
4/20 00:40	88.6	↓-8.7
4/20 00:50	80.8	↓-7.8
4/20 01:00	73.8	↓-7.0
4/20 01:10	67.8	↓-6.0
4/20 01:20	62.8	↓-5.0
4/20 01:30	58.8	↓-4.0
4/20 01:40	55.9	↓-2.9
4/20 01:50	54.0	↓-1.9
4/20 02:00	53.3	↓-0.7	干潮
4/20 02:10	53.7	↑0.4
4/20 02:20	55.1	↑1.4
4/20 02:30	57.7	↑2.6
4/20 02:40	61.4	↑3.7
4/20 02:50	66.1	↑4.7
4/20 03:00	71.8	↑5.7
4/20 03:10	78.6	↑6.8
4/20 03:20	86.2	↑7.6
4/20 03:30	94.8	↑8.6
4/20 03:40	104.2	↑9.4
4/20 03:50	114.3	↑10.1
4/20 04:00	125.1	↑10.8
4/20 04:10	136.5	↑11.4
4/20 04:20	148.5	↑12.0
4/20 04:30	160.9	↑12.4
4/20 04:40	173.6	↑12.7
4/20 04:50	186.6	↑13.0
4/20 05:00	199.7	↑13.1
4/20 05:10	213.0	↑13.3
4/20 05:20	226.1	↑13.1
4/20 05:30	239.2	↑13.1
4/20 05:40	252.0	↑12.8
4/20 05:50	264.6	↑12.6
4/20 06:00	276.7	↑12.1
4/20 06:10	288.3	↑11.6
4/20 06:20	299.3	↑11.0
4/20 06:30	309.6	↑10.3
4/20 06:40	319.2	↑9.6
4/20 06:50	328.0	↑8.8
4/20 07:00	335.9	↑7.9
4/20 07:10	342.9	↑7.0
4/20 07:20	348.9	↑6.0
4/20 07:30	353.8	↑4.9
4/20 07:40	357.6	↑3.8
4/20 07:50	360.4	↑2.8
4/20 08:00	362.0	↑1.6	満潮
4/20 08:10	362.4	↑0.4	満潮
4/20 08:20	361.7	↓-0.7
4/20 08:30	359.8	↓-1.9
4/20 08:40	356.8	↓-3.0
4/20 08:50	352.7	↓-4.1
4/20 09:00	347.5	↓-5.2
4/20 09:10	341.2	↓-6.3
4/20 09:20	333.9	↓-7.3
4/20 09:30	325.6	↓-8.3
4/20 09:40	316.4	↓-9.2
4/20 09:50	306.4	↓-10.0
4/20 10:00	295.5	↓-10.9
4/20 10:10	284.0	↓-11.5
4/20 10:20	271.9	↓-12.1
4/20 10:30	259.2	↓-12.7
4/20 10:40	246.1	↓-13.1
4/20 10:50	232.6	↓-13.5
4/20 11:00	218.8	↓-13.8
4/20 11:10	204.9	↓-13.9
4/20 11:20	191.0	↓-13.9
4/20 11:30	177.0	↓-14.0
4/20 11:40	163.2	↓-13.8
4/20 11:50	149.7	↓-13.5
4/20 12:00	136.5	↓-13.2
4/20 12:10	123.7	↓-12.8
4/20 12:20	111.4	↓-12.3
4/20 12:30	99.7	↓-11.7
4/20 12:40	88.8	↓-10.9
4/20 12:50	78.6	↓-10.2
4/20 13:00	69.2	↓-9.4
4/20 13:10	60.7	↓-8.5
4/20 13:20	53.3	↓-7.4
4/20 13:30	46.8	↓-6.5
4/20 13:40	41.4	↓-5.4
4/20 13:50	37.2	↓-4.2
4/20 14:00	34.1	↓-3.1
4/20 14:10	32.1	↓-2.0
4/20 14:20	31.3	↓-0.8	干潮
4/20 14:30	31.7	↑0.4
4/20 14:40	33.3	↑1.6
4/20 14:50	36.1	↑2.8
4/20 15:00	40.0	↑3.9
4/20 15:10	45.1	↑5.1
4/20 15:20	51.2	↑6.1
4/20 15:30	58.4	↑7.2
4/20 15:40	66.6	↑8.2
4/20 15:50	75.7	↑9.1
4/20 16:00	85.7	↑10.0
4/20 16:10	96.5	↑10.8
4/20 16:20	108.0	↑11.5
4/20 16:30	120.2	↑12.2
4/20 16:40	132.9	↑12.7
4/20 16:50	146.1	↑13.2
4/20 17:00	159.7	↑13.6
4/20 17:10	173.5	↑13.8
4/20 17:20	187.5	↑14.0
4/20 17:30	201.5	↑14.0
4/20 17:40	215.6	↑14.1	最大潮位差
4/20 17:50	229.5	↑13.9
4/20 18:00	243.2	↑13.7
4/20 18:10	256.5	↑13.3
4/20 18:20	269.5	↑13.0
4/20 18:30	281.9	↑12.4
4/20 18:40	293.7	↑11.8
4/20 18:50	304.8	↑11.1
4/20 19:00	315.2	↑10.4
4/20 19:10	324.7	↑9.5
4/20 19:20	333.3	↑8.6
4/20 19:30	341.0	↑7.7
4/20 19:40	347.6	↑6.6
4/20 19:50	353.2	↑5.6
4/20 20:00	357.7	↑4.5
4/20 20:10	361.0	↑3.3
4/20 20:20	363.2	↑2.2
4/20 20:30	364.2	↑1.0	満潮
4/20 20:40	364.0	↓-0.2
4/20 20:50	362.6	↓-1.4
4/20 21:00	360.1	↓-2.5
4/20 21:10	356.5	↓-3.6
4/20 21:20	351.7	↓-4.8
4/20 21:30	345.9	↓-5.8
4/20 21:40	339.0	↓-6.9
4/20 21:50	331.2	↓-7.8
4/20 22:00	322.4	↓-8.8
4/20 22:10	312.8	↓-9.6
4/20 22:20	302.5	↓-10.3
4/20 22:30	291.4	↓-11.1
4/20 22:40	279.7	↓-11.7
4/20 22:50	267.5	↓-12.2
4/20 23:00	254.8	↓-12.7
4/20 23:10	241.8	↓-13.0
4/20 23:20	228.5	↓-13.3
4/20 23:30	215.2	↓-13.3
4/20 23:40	201.7	↓-13.5
4/20 23:50	188.3	↓-13.4