20 (金)	05:58	11:49	17:41	-
	127cm	39cm	129cm	-
中潮 出 06:21 入 17:25 出 07:36 入 20:22

大洗（茨城）2026年02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
2/20 00:00	12.7	↑0.9
2/20 00:10	13.9	↑1.2
2/20 00:20	15.5	↑1.6
2/20 00:30	17.5	↑2.0
2/20 00:40	19.8	↑2.3
2/20 00:50	22.4	↑2.6
2/20 01:00	25.4	↑3.0
2/20 01:10	28.7	↑3.3
2/20 01:20	32.2	↑3.5
2/20 01:30	36.0	↑3.8
2/20 01:40	40.0	↑4.0
2/20 01:50	44.2	↑4.2
2/20 02:00	48.6	↑4.4
2/20 02:10	53.1	↑4.5
2/20 02:20	57.7	↑4.6
2/20 02:30	62.4	↑4.7
2/20 02:40	67.1	↑4.7
2/20 02:50	71.9	↑4.8	最大潮位差
2/20 03:00	76.6	↑4.7
2/20 03:10	81.2	↑4.6
2/20 03:20	85.8	↑4.6
2/20 03:30	90.2	↑4.4
2/20 03:40	94.5	↑4.3
2/20 03:50	98.5	↑4.0
2/20 04:00	102.4	↑3.9
2/20 04:10	106.1	↑3.7
2/20 04:20	109.5	↑3.4
2/20 04:30	112.6	↑3.1
2/20 04:40	115.4	↑2.8
2/20 04:50	117.9	↑2.5
2/20 05:00	120.1	↑2.2
2/20 05:10	122.0	↑1.9
2/20 05:20	123.5	↑1.5
2/20 05:30	124.7	↑1.2
2/20 05:40	125.5	↑0.8
2/20 05:50	125.9	↑0.4	満潮
2/20 06:00	126.0	↑0.1
2/20 06:10	125.7	↓-0.3
2/20 06:20	125.1	↓-0.6
2/20 06:30	124.1	↓-1.0
2/20 06:40	122.8	↓-1.3
2/20 06:50	121.1	↓-1.7
2/20 07:00	119.1	↓-2.0
2/20 07:10	116.8	↓-2.3
2/20 07:20	114.3	↓-2.5
2/20 07:30	111.5	↓-2.8
2/20 07:40	108.4	↓-3.1
2/20 07:50	105.1	↓-3.3
2/20 08:00	101.7	↓-3.4
2/20 08:10	98.1	↓-3.6
2/20 08:20	94.3	↓-3.8
2/20 08:30	90.5	↓-3.8
2/20 08:40	86.6	↓-3.9
2/20 08:50	82.7	↓-3.9
2/20 09:00	78.7	↓-4.0
2/20 09:10	74.8	↓-3.9
2/20 09:20	71.0	↓-3.8
2/20 09:30	67.3	↓-3.7
2/20 09:40	63.6	↓-3.7
2/20 09:50	60.2	↓-3.4
2/20 10:00	56.9	↓-3.3
2/20 10:10	53.8	↓-3.1
2/20 10:20	50.9	↓-2.9
2/20 10:30	48.3	↓-2.6
2/20 10:40	45.9	↓-2.4
2/20 10:50	43.8	↓-2.1
2/20 11:00	42.1	↓-1.7
2/20 11:10	40.6	↓-1.5
2/20 11:20	39.5	↓-1.1
2/20 11:30	38.7	↓-0.8
2/20 11:40	38.2	↓-0.5	干潮
2/20 11:50	38.1	↓-0.1
2/20 12:00	38.3	↑0.2
2/20 12:10	38.9	↑0.6
2/20 12:20	39.9	↑1.0
2/20 12:30	41.2	↑1.3
2/20 12:40	42.8	↑1.6
2/20 12:50	44.7	↑1.9
2/20 13:00	47.0	↑2.3
2/20 13:10	49.5	↑2.5
2/20 13:20	52.3	↑2.8
2/20 13:30	55.4	↑3.1
2/20 13:40	58.7	↑3.3
2/20 13:50	62.2	↑3.5
2/20 14:00	65.9	↑3.7
2/20 14:10	69.7	↑3.8
2/20 14:20	73.6	↑3.9
2/20 14:30	77.6	↑4.0
2/20 14:40	81.7	↑4.1
2/20 14:50	85.7	↑4.0
2/20 15:00	89.8	↑4.1
2/20 15:10	93.7	↑3.9
2/20 15:20	97.6	↑3.9
2/20 15:30	101.4	↑3.8
2/20 15:40	105.0	↑3.6
2/20 15:50	108.5	↑3.5
2/20 16:00	111.7	↑3.2
2/20 16:10	114.7	↑3.0
2/20 16:20	117.5	↑2.8
2/20 16:30	120.0	↑2.5
2/20 16:40	122.1	↑2.1
2/20 16:50	124.0	↑1.9
2/20 17:00	125.6	↑1.6
2/20 17:10	126.8	↑1.2
2/20 17:20	127.7	↑0.9
2/20 17:30	128.2	↑0.5
2/20 17:40	128.4	↑0.2	満潮
2/20 17:50	128.2	↓-0.2
2/20 18:00	127.7	↓-0.5
2/20 18:10	126.8	↓-0.9
2/20 18:20	125.6	↓-1.2
2/20 18:30	124.0	↓-1.6
2/20 18:40	122.1	↓-1.9
2/20 18:50	119.9	↓-2.2
2/20 19:00	117.4	↓-2.5
2/20 19:10	114.6	↓-2.8
2/20 19:20	111.6	↓-3.0
2/20 19:30	108.3	↓-3.3
2/20 19:40	104.8	↓-3.5
2/20 19:50	101.1	↓-3.7
2/20 20:00	97.2	↓-3.9
2/20 20:10	93.2	↓-4.0
2/20 20:20	89.0	↓-4.2
2/20 20:30	84.8	↓-4.2
2/20 20:40	80.5	↓-4.3
2/20 20:50	76.2	↓-4.3
2/20 21:00	71.9	↓-4.3
2/20 21:10	67.6	↓-4.3
2/20 21:20	63.4	↓-4.2
2/20 21:30	59.3	↓-4.1
2/20 21:40	55.3	↓-4.0
2/20 21:50	51.5	↓-3.8
2/20 22:00	47.8	↓-3.7
2/20 22:10	44.4	↓-3.4
2/20 22:20	41.1	↓-3.3
2/20 22:30	38.2	↓-2.9
2/20 22:40	35.4	↓-2.8
2/20 22:50	33.0	↓-2.4
2/20 23:00	30.8	↓-2.2
2/20 23:10	29.0	↓-1.8
2/20 23:20	27.5	↓-1.5
2/20 23:30	26.3	↓-1.2
2/20 23:40	25.4	↓-0.9
2/20 23:50	24.9	↓-0.5