20 (金)	05:14	13:13	21:04	-
	122cm	16cm	102cm	-
小潮 出 04:34 入 18:11 出 08:34 入 - 潮干狩り ◎ 11:03～15:24

釧路（北海道）2029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	91.7	↑0.2
4/20 00:10	91.9	↑0.2
4/20 00:20	92.3	↑0.4
4/20 00:30	92.7	↑0.4
4/20 00:40	93.3	↑0.6
4/20 00:50	93.9	↑0.6
4/20 01:00	94.6	↑0.7
4/20 01:10	95.4	↑0.8
4/20 01:20	96.3	↑0.9
4/20 01:30	97.3	↑1.0
4/20 01:40	98.3	↑1.0
4/20 01:50	99.4	↑1.1
4/20 02:00	100.6	↑1.2
4/20 02:10	101.9	↑1.3
4/20 02:20	103.2	↑1.3
4/20 02:30	104.5	↑1.3
4/20 02:40	105.9	↑1.4
4/20 02:50	107.3	↑1.4
4/20 03:00	108.7	↑1.4
4/20 03:10	110.2	↑1.5
4/20 03:20	111.6	↑1.4
4/20 03:30	113.0	↑1.4
4/20 03:40	114.4	↑1.4
4/20 03:50	115.7	↑1.3
4/20 04:00	116.9	↑1.2
4/20 04:10	118.0	↑1.1
4/20 04:20	119.0	↑1.0
4/20 04:30	119.8	↑0.8
4/20 04:40	120.5	↑0.7
4/20 04:50	121.0	↑0.5
4/20 05:00	121.4	↑0.4
4/20 05:10	121.5	↑0.1	満潮
4/20 05:20	121.5	0
4/20 05:30	121.2	↓-0.3
4/20 05:40	120.7	↓-0.5
4/20 05:50	120.1	↓-0.6
4/20 06:00	119.2	↓-0.9
4/20 06:10	118.1	↓-1.1
4/20 06:20	116.8	↓-1.3
4/20 06:30	115.3	↓-1.5
4/20 06:40	113.6	↓-1.7
4/20 06:50	111.7	↓-1.9
4/20 07:00	109.7	↓-2.0
4/20 07:10	107.4	↓-2.3
4/20 07:20	105.1	↓-2.3
4/20 07:30	102.5	↓-2.6
4/20 07:40	99.8	↓-2.7
4/20 07:50	97.0	↓-2.8
4/20 08:00	94.0	↓-3.0
4/20 08:10	90.9	↓-3.1
4/20 08:20	87.7	↓-3.2
4/20 08:30	84.4	↓-3.3
4/20 08:40	81.0	↓-3.4
4/20 08:50	77.5	↓-3.5
4/20 09:00	74.0	↓-3.5
4/20 09:10	70.5	↓-3.5
4/20 09:20	66.9	↓-3.6	最大潮位差
4/20 09:30	63.3	↓-3.6	最大潮位差
4/20 09:40	59.7	↓-3.6	最大潮位差
4/20 09:50	56.2	↓-3.5
4/20 10:00	52.7	↓-3.5
4/20 10:10	49.3	↓-3.4
4/20 10:20	46.0	↓-3.3
4/20 10:30	42.8	↓-3.2
4/20 10:40	39.7	↓-3.1
4/20 10:50	36.8	↓-2.9
4/20 11:00	34.0	↓-2.8
4/20 11:10	31.4	↓-2.6
4/20 11:20	29.0	↓-2.4
4/20 11:30	26.7	↓-2.3
4/20 11:40	24.7	↓-2.0
4/20 11:50	22.9	↓-1.8
4/20 12:00	21.2	↓-1.7
4/20 12:10	19.8	↓-1.4
4/20 12:20	18.6	↓-1.2
4/20 12:30	17.6	↓-1.0
4/20 12:40	16.8	↓-0.8
4/20 12:50	16.3	↓-0.5
4/20 13:00	15.9	↓-0.4
4/20 13:10	15.8	↓-0.1	干潮
4/20 13:20	15.8	0
4/20 13:30	16.1	↑0.3
4/20 13:40	16.6	↑0.5
4/20 13:50	17.3	↑0.7
4/20 14:00	18.2	↑0.9
4/20 14:10	19.3	↑1.1
4/20 14:20	20.6	↑1.3
4/20 14:30	22.1	↑1.5
4/20 14:40	23.9	↑1.8
4/20 14:50	25.8	↑1.9
4/20 15:00	27.9	↑2.1
4/20 15:10	30.1	↑2.2
4/20 15:20	32.6	↑2.5
4/20 15:30	35.1	↑2.5
4/20 15:40	37.9	↑2.8
4/20 15:50	40.7	↑2.8
4/20 16:00	43.6	↑2.9
4/20 16:10	46.6	↑3.0
4/20 16:20	49.6	↑3.0
4/20 16:30	52.7	↑3.1
4/20 16:40	55.8	↑3.1
4/20 16:50	58.9	↑3.1
4/20 17:00	61.9	↑3.0
4/20 17:10	64.9	↑3.0
4/20 17:20	67.9	↑3.0
4/20 17:30	70.8	↑2.9
4/20 17:40	73.6	↑2.8
4/20 17:50	76.3	↑2.7
4/20 18:00	78.8	↑2.5
4/20 18:10	81.3	↑2.5
4/20 18:20	83.6	↑2.3
4/20 18:30	85.8	↑2.2
4/20 18:40	87.9	↑2.1
4/20 18:50	89.8	↑1.9
4/20 19:00	91.6	↑1.8
4/20 19:10	93.2	↑1.6
4/20 19:20	94.7	↑1.5
4/20 19:30	96.1	↑1.4
4/20 19:40	97.3	↑1.2
4/20 19:50	98.3	↑1.0
4/20 20:00	99.3	↑1.0
4/20 20:10	100.0	↑0.7
4/20 20:20	100.6	↑0.6
4/20 20:30	101.1	↑0.5
4/20 20:40	101.5	↑0.4
4/20 20:50	101.7	↑0.2
4/20 21:00	101.8	↑0.1	満潮
4/20 21:10	101.8	0
4/20 21:20	101.6	↓-0.2
4/20 21:30	101.4	↓-0.2
4/20 21:40	101.1	↓-0.3
4/20 21:50	100.7	↓-0.4
4/20 22:00	100.2	↓-0.5
4/20 22:10	99.8	↓-0.4
4/20 22:20	99.2	↓-0.6
4/20 22:30	98.7	↓-0.5
4/20 22:40	98.2	↓-0.5
4/20 22:50	97.6	↓-0.6
4/20 23:00	97.2	↓-0.4
4/20 23:10	96.7	↓-0.5
4/20 23:20	96.3	↓-0.4
4/20 23:30	95.9	↓-0.4
4/20 23:40	95.6	↓-0.3
4/20 23:50	95.4	↓-0.2