20 (月)	00:38	05:56	12:10	19:11
	107cm	40cm	127cm	17cm
中潮 出 05:42 入 18:53 出 08:53 入 23:13 潮干狩り ○ 17:18～18:53

八幡（福岡）2037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	103.9	↑1.4
4/20 00:10	105.0	↑1.1
4/20 00:20	105.8	↑0.8
4/20 00:30	106.3	↑0.5	満潮
4/20 00:40	106.4	↑0.1
4/20 00:50	106.1	↓-0.3
4/20 01:00	105.5	↓-0.6
4/20 01:10	104.5	↓-1.0
4/20 01:20	103.2	↓-1.3
4/20 01:30	101.5	↓-1.7
4/20 01:40	99.5	↓-2.0
4/20 01:50	97.2	↓-2.3
4/20 02:00	94.7	↓-2.5
4/20 02:10	91.9	↓-2.8
4/20 02:20	88.9	↓-3.0
4/20 02:30	85.7	↓-3.2
4/20 02:40	82.4	↓-3.3
4/20 02:50	79.0	↓-3.4
4/20 03:00	75.6	↓-3.4
4/20 03:10	72.1	↓-3.5
4/20 03:20	68.7	↓-3.4
4/20 03:30	65.4	↓-3.3
4/20 03:40	62.2	↓-3.2
4/20 03:50	59.1	↓-3.1
4/20 04:00	56.2	↓-2.9
4/20 04:10	53.5	↓-2.7
4/20 04:20	51.0	↓-2.5
4/20 04:30	48.8	↓-2.2
4/20 04:40	46.8	↓-2.0
4/20 04:50	45.0	↓-1.8
4/20 05:00	43.5	↓-1.5
4/20 05:10	42.2	↓-1.3
4/20 05:20	41.2	↓-1.0
4/20 05:30	40.5	↓-0.7
4/20 05:40	40.0	↓-0.5
4/20 05:50	39.7	↓-0.3	干潮
4/20 06:00	39.7	0
4/20 06:10	40.0	↑0.3
4/20 06:20	40.5	↑0.5
4/20 06:30	41.2	↑0.7
4/20 06:40	42.2	↑1.0
4/20 06:50	43.4	↑1.2
4/20 07:00	44.9	↑1.5
4/20 07:10	46.6	↑1.7
4/20 07:20	48.6	↑2.0
4/20 07:30	50.8	↑2.2
4/20 07:40	53.3	↑2.5
4/20 07:50	55.9	↑2.6
4/20 08:00	58.8	↑2.9
4/20 08:10	61.9	↑3.1
4/20 08:20	65.2	↑3.3
4/20 08:30	68.7	↑3.5
4/20 08:40	72.2	↑3.5
4/20 08:50	75.9	↑3.7
4/20 09:00	79.7	↑3.8
4/20 09:10	83.5	↑3.8
4/20 09:20	87.3	↑3.8
4/20 09:30	91.1	↑3.8
4/20 09:40	94.9	↑3.8
4/20 09:50	98.5	↑3.6
4/20 10:00	102.0	↑3.5
4/20 10:10	105.4	↑3.4
4/20 10:20	108.6	↑3.2
4/20 10:30	111.6	↑3.0
4/20 10:40	114.4	↑2.8
4/20 10:50	116.9	↑2.5
4/20 11:00	119.2	↑2.3
4/20 11:10	121.2	↑2.0
4/20 11:20	122.9	↑1.7
4/20 11:30	124.3	↑1.4
4/20 11:40	125.4	↑1.1
4/20 11:50	126.2	↑0.8
4/20 12:00	126.7	↑0.5	満潮
4/20 12:10	126.8	↑0.1	満潮
4/20 12:20	126.6	↓-0.2
4/20 12:30	126.1	↓-0.5
4/20 12:40	125.3	↓-0.8
4/20 12:50	124.1	↓-1.2
4/20 13:00	122.6	↓-1.5
4/20 13:10	120.7	↓-1.9
4/20 13:20	118.5	↓-2.2
4/20 13:30	116.0	↓-2.5
4/20 13:40	113.3	↓-2.7
4/20 13:50	110.2	↓-3.1
4/20 14:00	106.8	↓-3.4
4/20 14:10	103.3	↓-3.5
4/20 14:20	99.5	↓-3.8
4/20 14:30	95.5	↓-4.0
4/20 14:40	91.3	↓-4.2
4/20 14:50	87.0	↓-4.3
4/20 15:00	82.7	↓-4.3
4/20 15:10	78.3	↓-4.4
4/20 15:20	73.8	↓-4.5	最大潮位差
4/20 15:30	69.4	↓-4.4
4/20 15:40	65.1	↓-4.3
4/20 15:50	60.8	↓-4.3
4/20 16:00	56.7	↓-4.1
4/20 16:10	52.7	↓-4.0
4/20 16:20	48.9	↓-3.8
4/20 16:30	45.2	↓-3.7
4/20 16:40	41.7	↓-3.5
4/20 16:50	38.5	↓-3.2
4/20 17:00	35.5	↓-3.0
4/20 17:10	32.6	↓-2.9
4/20 17:20	30.0	↓-2.6
4/20 17:30	27.7	↓-2.3
4/20 17:40	25.5	↓-2.2
4/20 17:50	23.6	↓-1.9
4/20 18:00	21.9	↓-1.7
4/20 18:10	20.4	↓-1.5
4/20 18:20	19.1	↓-1.3
4/20 18:30	18.1	↓-1.0
4/20 18:40	17.2	↓-0.9
4/20 18:50	16.6	↓-0.6
4/20 19:00	16.3	↓-0.3
4/20 19:10	16.2	↓-0.1	干潮
4/20 19:20	16.3	↑0.1
4/20 19:30	16.7	↑0.4
4/20 19:40	17.3	↑0.6
4/20 19:50	18.2	↑0.9
4/20 20:00	19.4	↑1.2
4/20 20:10	20.8	↑1.4
4/20 20:20	22.5	↑1.7
4/20 20:30	24.5	↑2.0
4/20 20:40	26.7	↑2.2
4/20 20:50	29.1	↑2.4
4/20 21:00	31.8	↑2.7
4/20 21:10	34.6	↑2.8
4/20 21:20	37.7	↑3.1
4/20 21:30	40.8	↑3.1
4/20 21:40	44.1	↑3.3
4/20 21:50	47.5	↑3.4
4/20 22:00	50.9	↑3.4
4/20 22:10	54.4	↑3.5
4/20 22:20	57.9	↑3.5
4/20 22:30	61.3	↑3.4
4/20 22:40	64.7	↑3.4
4/20 22:50	68.0	↑3.3
4/20 23:00	71.3	↑3.3
4/20 23:10	74.4	↑3.1
4/20 23:20	77.4	↑3.0
4/20 23:30	80.2	↑2.8
4/20 23:40	82.8	↑2.6
4/20 23:50	85.3	↑2.5