20 (土)	01:10	07:22	12:09	18:36
	120cm	72cm	96cm	36cm
中潮 出 04:26 入 18:08 出 14:24 入 03:03

古釜府湾（北海道）2024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	115.0	↑1.5
4/20 00:10	116.2	↑1.2
4/20 00:20	117.3	↑1.1
4/20 00:30	118.2	↑0.9
4/20 00:40	118.9	↑0.7
4/20 00:50	119.4	↑0.5
4/20 01:00	119.6	↑0.2	満潮
4/20 01:10	119.7	↑0.1	満潮
4/20 01:20	119.6	↓-0.1
4/20 01:30	119.3	↓-0.3
4/20 01:40	118.8	↓-0.5
4/20 01:50	118.1	↓-0.7
4/20 02:00	117.3	↓-0.8
4/20 02:10	116.3	↓-1.0
4/20 02:20	115.1	↓-1.2
4/20 02:30	113.8	↓-1.3
4/20 02:40	112.4	↓-1.4
4/20 02:50	110.8	↓-1.6
4/20 03:00	109.1	↓-1.7
4/20 03:10	107.4	↓-1.7
4/20 03:20	105.5	↓-1.9
4/20 03:30	103.6	↓-1.9
4/20 03:40	101.6	↓-2.0
4/20 03:50	99.6	↓-2.0
4/20 04:00	97.6	↓-2.0
4/20 04:10	95.6	↓-2.0
4/20 04:20	93.5	↓-2.1
4/20 04:30	91.5	↓-2.0
4/20 04:40	89.6	↓-1.9
4/20 04:50	87.6	↓-2.0
4/20 05:00	85.8	↓-1.8
4/20 05:10	84.0	↓-1.8
4/20 05:20	82.3	↓-1.7
4/20 05:30	80.7	↓-1.6
4/20 05:40	79.2	↓-1.5
4/20 05:50	77.8	↓-1.4
4/20 06:00	76.5	↓-1.3
4/20 06:10	75.4	↓-1.1
4/20 06:20	74.4	↓-1.0
4/20 06:30	73.6	↓-0.8
4/20 06:40	72.9	↓-0.7
4/20 06:50	72.4	↓-0.5
4/20 07:00	72.0	↓-0.4
4/20 07:10	71.8	↓-0.2
4/20 07:20	71.7	↓-0.1	干潮
4/20 07:30	71.7	0
4/20 07:40	71.9	↑0.2
4/20 07:50	72.3	↑0.4
4/20 08:00	72.8	↑0.5
4/20 08:10	73.4	↑0.6
4/20 08:20	74.1	↑0.7
4/20 08:30	74.9	↑0.8
4/20 08:40	75.8	↑0.9
4/20 08:50	76.8	↑1.0
4/20 09:00	77.9	↑1.1
4/20 09:10	79.1	↑1.2
4/20 09:20	80.3	↑1.2
4/20 09:30	81.5	↑1.2
4/20 09:40	82.8	↑1.3
4/20 09:50	84.0	↑1.2
4/20 10:00	85.3	↑1.3
4/20 10:10	86.5	↑1.2
4/20 10:20	87.7	↑1.2
4/20 10:30	88.9	↑1.2
4/20 10:40	90.0	↑1.1
4/20 10:50	91.0	↑1.0
4/20 11:00	92.0	↑1.0
4/20 11:10	92.8	↑0.8
4/20 11:20	93.6	↑0.8
4/20 11:30	94.2	↑0.6
4/20 11:40	94.7	↑0.5
4/20 11:50	95.0	↑0.3
4/20 12:00	95.2	↑0.2	満潮
4/20 12:10	95.2	0
4/20 12:20	95.1	↓-0.1
4/20 12:30	94.9	↓-0.2
4/20 12:40	94.4	↓-0.5
4/20 12:50	93.8	↓-0.6
4/20 13:00	93.0	↓-0.8
4/20 13:10	92.1	↓-0.9
4/20 13:20	91.0	↓-1.1
4/20 13:30	89.7	↓-1.3
4/20 13:40	88.3	↓-1.4
4/20 13:50	86.8	↓-1.5
4/20 14:00	85.1	↓-1.7
4/20 14:10	83.2	↓-1.9
4/20 14:20	81.3	↓-1.9
4/20 14:30	79.2	↓-2.1
4/20 14:40	77.1	↓-2.1
4/20 14:50	74.8	↓-2.3
4/20 15:00	72.5	↓-2.3
4/20 15:10	70.2	↓-2.3
4/20 15:20	67.8	↓-2.4
4/20 15:30	65.3	↓-2.5
4/20 15:40	62.9	↓-2.4
4/20 15:50	60.5	↓-2.4
4/20 16:00	58.1	↓-2.4
4/20 16:10	55.7	↓-2.4
4/20 16:20	53.4	↓-2.3
4/20 16:30	51.2	↓-2.2
4/20 16:40	49.0	↓-2.2
4/20 16:50	47.0	↓-2.0
4/20 17:00	45.1	↓-1.9
4/20 17:10	43.3	↓-1.8
4/20 17:20	41.7	↓-1.6
4/20 17:30	40.3	↓-1.4
4/20 17:40	39.0	↓-1.3
4/20 17:50	37.9	↓-1.1
4/20 18:00	37.1	↓-0.8
4/20 18:10	36.4	↓-0.7
4/20 18:20	35.9	↓-0.5
4/20 18:30	35.7	↓-0.2	干潮
4/20 18:40	35.7	0
4/20 18:50	35.9	↑0.2
4/20 19:00	36.4	↑0.5
4/20 19:10	37.0	↑0.6
4/20 19:20	37.9	↑0.9
4/20 19:30	39.1	↑1.2
4/20 19:40	40.4	↑1.3
4/20 19:50	42.0	↑1.6
4/20 20:00	43.8	↑1.8
4/20 20:10	45.8	↑2.0
4/20 20:20	48.0	↑2.2
4/20 20:30	50.3	↑2.3
4/20 20:40	52.9	↑2.6
4/20 20:50	55.5	↑2.6
4/20 21:00	58.3	↑2.8
4/20 21:10	61.3	↑3.0
4/20 21:20	64.3	↑3.0
4/20 21:30	67.4	↑3.1
4/20 21:40	70.6	↑3.2
4/20 21:50	73.8	↑3.2
4/20 22:00	77.1	↑3.3	最大潮位差
4/20 22:10	80.4	↑3.3	最大潮位差
4/20 22:20	83.7	↑3.3	最大潮位差
4/20 22:30	86.9	↑3.2
4/20 22:40	90.1	↑3.2
4/20 22:50	93.2	↑3.1
4/20 23:00	96.3	↑3.1
4/20 23:10	99.2	↑2.9
4/20 23:20	102.0	↑2.8
4/20 23:30	104.7	↑2.7
4/20 23:40	107.2	↑2.5
4/20 23:50	109.5	↑2.3